What Does Heat Chemistry Mean?

What Does Heat Chemistry Mean?When we hear the word 'heat', we immediately think of hot water and a nice sunny day. But what do we actually mean by the word heat? Most people probably think that when we use the term heat, we are talking about the outside temperature in their home, but that is not necessarily the case.Heat is nothing more than the energy from an external source that changes to something else. It is the same energy as that which makes light go from being a particle to a wave. This energy can be in the form of sunlight, or it can be in the form of electricity from the electric light bulb or even radio waves. In a less negative sense, heat can also be in the form of internal combustion engines and even hair dryers. When a material is heated, it changes to a different state, or state of matter.For instance, when you heat up a substance, you are causing a chemical reaction that will cause the substance to change into a new state, something much different than the original state. When you heat up a substance, a change takes place at the molecular level. This change is the result of some of the atoms in the material being more electrically charged than others, or the atom with the most electrons being more highly charged than another atom.Atoms are the smallest particles of matter in the universe. They are also the most common constituent of all substances and minerals. When atoms change into other states, they give off energy in the form of heat. Matter has many unique characteristics, some of which we are familiar with and some of which we aren't.The sun's rays are a very common example of how heat is felt, or as we call it, felt, by the individual. These rays are called photons and they are in the form of negative and positive charges. The number of photons on one area can be measured and this measurement is often used to describe how hot the surface is. If you want to feel that feeling again, all you have to do is step onto the surface of an object , and you will instantly feel a small heat that will vanish just as quickly.Heat is also known as a gas and the mass of the gas is what determines the temperature. For instance, water molecules are much larger than those of air, which means that water is a much more efficient conductor of heat than air. The temperature of a material is directly related to the amount of energy that is being dissipated through the medium in question. Because of this, heat is the source of energy in many everyday activities.Heat is one of the most important and common elements in our lives. It is a common component of almost every substance. The sun's heat is what we call a constant heat. As long as the sun shines and the surface of the earth is constantly exposed to it, the sun will always be a constant heat source.Water, air, and all other forms of gas are common examples of the different kinds of substances that have their own unique properties. When an individual wants to define heat chemistry, the y should look for the characteristics of each different kind of substance and then compare them. When you are looking for an appropriate thermostat for your house, you should look for one that has characteristics similar to each of the four types of thermostats. You can then go on to match the thermostat to the room temperature.

Subscribe Now! 20+ YouTube Resources to Learn World Languages

Subscribe Now! 20+ YouTube Resources to Learn World Languages 20+ YouTube Resources to Learn World Languages Your YouTube addiction might make your parents proud.It may sound unlikely, but it could just happen if you use YouTube to learn a language.Anyone can self-study a language with the help of the internet, and if you do it successfully, you can improve your career prospects and open up a whole world of possibilities.In the same way, anyone with a camera and a dream can have their own YouTube channel.But just like firing up YouTube in the hopes of learning a language doesnt make you fluent, filming yourself and your friends goofing around in your college dorm room doesnt make you a star.In fact, more often, this last scenario tends to result in ill-advised stunts and public embarrassment.But thankfully, the availability of YouTube also means that people with incredible language skills and generous spirits can share their knowledge with the world.Yes, there are a lot of great language learning YouTube channels  to teach you languages as well as  polyglot YouTube channels  to inspire you. There are even some comprehensive programs that use YouTube content as the primary medium for helping you learn a language.And watching YouTube can be just the thing you need to make yourself a language learning success.Below, well look at more than 20 of the very best language learning YouTube resources for multiple popular languages where you can subscribe to learning. Well also link you to some more thoughtfully created lists of awesome YouTube content for the specific language youre learning. How to Select the Right YouTube Language Learning Resources for YouPay attention to regional dialects.  Each YouTube channel may use a specific dialect, and if you choose a dialect other than the one youre studying, you might be confused. For instance, if your focus is on Levantine Arabic, a channel that teaches North African Arabic wont be as useful.Look at the level of the content. Ideally, you should look for YouTube channels that focus on your level.  For instance, if a channel posts exclusively beginning vocabulary, it isnt a great choice for advanced level learners.Check how frequently videos are posted. It can be helpful to go and look at old videos, but its even better if a channel posts frequently since this will be a helpful reminder to study the language.Watch a couple videos to see if you like the style.  Each channel has a different production style, and educational channels frequently have different teaching styles. Watching a couple videos on any channel youre interested in will help you determine whether you like the style enough to keep watching.Dont hesitate to mix and match channels.  Thankfully, theres no one stopping you from watching any and all channels you like. Not only will this give you more material, it will also give you different perspectives on the language.20+ YouTube Resources to Learn World LanguagesMultiple LanguagesInnovative Language Pod101When it comes to language learning YouTube channels, Innovative Languages Pod101 series is at the top of its game, providing friendly instructional material for learning multiple world languages at all levels. New videos are usually added on Tuesdays and Fridays, so theres always plenty of content to enjoy.While they offer easily accessible content on various YouTube channelsâ€"which include videos covering common words and phrases, providing listening practice and even sometimes providing reading practiceâ€"Innovative Language also makes it easy to access a whole wealth of goodies by subscribing on their website, including not just audio and video but PDF lesson notes and a learner community.Pod101 is available for Arabic, Chinese, English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Spanish and more.FluentUWhile learning programs like Pod101 teach you languages directly through videos, FluentU pulls together fun, authentic YouTube videos from all over the worldâ€"like music videos, movie trailers, news, vlogs and moreâ€"and combines them with suppor tive, flexible learning tools.With FluentU, YouTube videos created for a native audience become educational tools with interactive, annotated captions including definitions, example sentences and associated images. Plus, you can click a word to see how its used in other videos.You can even use FluentUs Learn Mode for a unique, innovative learning experience that combines videos, images and example sentences into flashcards and exercises.Since FluentU uses a special algorithm, the questions you see will be based on your learning history to ensure your FluentU experience builds on what youve already learned. Aside from that, FluentU offers video content for six different levels as well as for various regional accents and dialects, so you can easily find content thats right for you.You can even customize your experience further by turning your own word list into a flashcard set and learning your target vocabulary from real-world video clips automatically compiled just for you.Start usi ng FluentU online  for Chinese, English, French, German, Italian, Japanese, Korean, Russian or Spanish nowâ€"or download the app from iTunes or Google Play.ArabicLearnArabicwithMahaMaha is a language teacher who generously shares her knowledge of the Arabic language with her subscribers.Videos cover vocabulary, culture and cooking. For instance, you might watch Situational Arabic: At the Doctor  to learn phrases you may need to know if you ever require medical treatment in an Arabic-speaking area, or you might watch Hummus Recipe  to learn how to put together a quick and delicious dish. We wont judge which is more essential to your survival!New videos tend to appear sporadically on this channelâ€"sometimes there will be a bunch in a short period of time, but sometimes there will be a gap of a few months between videos. However, theres plenty of content already available, so you should have enough to keep you busy for a long time.Imran AlawiyeDr. Imran Hamza Alawiye, an experienced A rabic teacher, offers YouTube videos that are much like learning Arabic in a conventional classroom, which may be a big plus for learners seeking a straightforward teaching approach in a more convenient format.For complete beginners, the videos start at the most basic level. As the lessons progress, the material becomes increasingly advanced. For instance, complete beginners may benefit from Lesson 1 Arabic from the Beginning,  while more advanced learners might prefer Lets Speak Arabic Unit Two, Lesson 27: Seasons and Weather.While there are usually multiple videos added each month, there are sometimes longer gaps between videos. But you can always go back through old lessons to reinforce your learning.Cant get enough? There are plenty more Arabic YouTube channels  out there.ChineseYoyo ChineseYoyo Chinese is run by Yangyang Cheng, a TV host turned Chinese teacher. It should come as no surprise, then, that she packs some powerful learning material into her well-produced, easy-to-wa tch videos.Videos cover a wide array of topics, including thematic vocabulary, grammar, learning tips, songs and so much more. For instance, the Practice Chinese Tones with Yoyo Chinese  playlist will help learners nail down some complex sounds. The more musically inclined might enjoy videos like Learn Mandarin Through Songs with Yoyo Chinese: La La Land Theme Song.Yoyo Chinese usually posts about once a week, so theres a lot of great material available.Learn Chinese with Yi ZhaoChinese teacher Yi Zhao offers YouTube videos for Chinese students covering a variety of subjects. Whether youre a beginning learner, an intermediate learner or just studying up for travel, Learn Chinese with Yi Zhao has videos for you.Videos cover Chinese characters, grammar, vocabulary and life. Beginning students may benefit from Learn Chinese lessons for beginners 14: How to express what happened in the past,  while intermediate students might like Shanghai life 1.1: What is inside of every steamed bun,  in which Yi Zhao describes steamed buns in Chinese and English.New videos are posted about once a week.If you want to learn even more Chinese, check out more Chinese YouTube channels.FrenchLearn French with VincentFrench learners rejoice! Learn French with Vincent offers beginning through advanced level lessons.Videos include dialogues, vocabulary lists, listening activities and more. Beginning students might enjoy thorough videos like 145 minutes to learn French grammar,  while more experienced learners can benefit from quick lessons like Learn French verbs and expressions #44.There are generally several new, short videos posted each day.Learn French with AlexaExperienced French teacher Alexa Polidoro offers a helpful channel for French learners along with an entertaining presentation (complete with the occasional costume change).Videos cover the standard vocabulary and grammar, but thats not all! There are also videos featuring interviews in French, and there are a number of vid eos specifically for children. Beginning students might enjoy the videos that go through the conjugations of specific verbs, such as Pouvoir (to be able to) in 5 Main French Tenses.  More advanced students might enjoy Alexa meets a pastry chef in Lille market.There are usually a couple videos posted each week.If youre studying French, you might also want to try other French YouTube channels.GermanGet GermanizedGet Germanized aims to help viewers learn about German language and culture, all while being thoroughly entertained.Theres material for beginning through advanced level students here. Videos cover vocabulary (including slang), culture and learning resources.For a fun twist on learning German, Get Germanized also offers videos in slow German, videos exclusively in German and videos of Germans reacting to different things.Viewers might enjoy options like 10 Funny German Words  and US/English Holidays Translated into German.Get Germanized posts three new videos each week.Learn Ge rman with AnjaAnja is a German teacher with a penchant for fun, so dont expect stale, boring videos here.Learn German with Anja will instead give you energetic offerings, including comedy sketches, short stories, pronunciation lessons, vocabulary lessons and grammar lessons.Have a travel bug? Practice your listening with 24 Stunden in Singapur  (24 Hours in Singapore). Prefer to work on your verbs? Try The 10 Most Used German Verbs (+ Their Conjugation).Learn German with Anja usually posts one or two videos each week.There are plenty more German YouTube channels that learners will love.ItalianLearn Italian with LucreziaIf youre learning Italian, chances are good that Learn Italian with Lucrezia has videos youll love.Learn Italian with Lucrezia offers videos for beginning through advanced level learners. These videos include vocabulary lessons, grammar lessons and vlogs in Italian.Beginning students can hit the ground running with Learn Italian: the alphabet.  More advanced students will benefit from QA in Italian: education, elections, jobs and religion,  which pairs listening practice with valuable cultural lessons.Learn Italian with Lucrezia generally posts one or two new videos every week.Italy Made EasyItaly Made Easy offers something for everyone!Whether its basic grammar lessons for beginners, conversational videos for more advanced students, travel hacks or vlogs in Italian, Italian students will find plenty to watch on this channel.For instance, potty-mouthed Italian students will love Italian Swear Words.  Looking to test out your listening skills? Try this comprehension exercise.Italy Made Easy usually posts new videos about once a week.Here are some more Italian YouTube channels for your enjoyment.JapaneseNihongono moriIf youre an intermediate or advanced Japanese student, theres nothing quite like Nihongono mori.Most of Nihongono mori videos offer Japanese lessons entirely in Japanese, which is a great way to get in some listening practice while yo u learn more about the language. Depending on your leaning needs, you  might enjoy this Kansai dialect lesson  or this grammar video.Nihongono mori usually posts several new videos each month.Learn JapaneseLike anime? Enjoy Japanese culture? Want to perfect your Japanese language skills? Learn Japanese has you covered on all these fronts.Not only will Learn Japanese help you learn valuable grammar, vocabulary and kanji, it will do all of this in a fun way. For instance, there are a number of anime videos to help you learn phrases. You might try Learn Japanese with Anime All I need to know is that there are people who need help!'  which features a clip from Black Clover. Learning videos, like How-to Use Commas in Japanese  are also quite useful.Learn Japanese usually posts several new videos each week.But thats not all! Be sure to check out these other Japanese YouTube channels.KoreanTalk to Me in KoreanIf youre looking for innovative videos to help you improve your Korean in new and exciting ways, check out Talk to Me in Korean.Talk to Me in Korean features study tips, vocabulary lessons, grammar lessons and more. There are even some fun features youre unlikely to find elsewhere. For instance, Talk to Me in Korean offers Korean Soft Spoken ASMR- Korean Idiomatic Phrases Using ?? (wind)  to soothe you with colloquial phrases and Korean Tongue Twisters  to help you test out your skills.Talk to Me in Korean usually posts several new videos each week.Learn Korean with GO! Billy KoreanLearning Korean from a native speaker is a great way to go, but it can also be a little intimidating. If youd like to learn from someone whos experienced all the challenges that non-native speakers face when learning Korean, youll enjoy Learn Korean with GO! Billy Korean.These videos are taught by a non-native speaker who has studied the language extensively. He offers lessons ranging from basic (like Learn Hangul in 90 Minutes) to more advanced (like Learn Korean Ep. 99: Korean Count ers). Whether you want to learn about vocabulary, grammar or culture, there are plenty of videos for you.Each week, Learn Korean with GO! Billy Korean usually posts one or two new videos.If you like these, you might also like some other great  Korean YouTube channels.PortugueseHello RustyHello Rusty has a lot to offer Portuguese students.Basic grammar and vocabulary lessons will give learners a running start. However, theres also some content here that you may not have even realized you needed. For instance, Brazilian vs European Portuguese  is a good way to learn more about regional variations. Meanwhile, Ordering food in Brazil  is a helpful way to prepare yourself for your next vacation.Videos are posted inconsistently, but there are enough existing videos that youll have plenty to watch.Portuguese LabIf you want to learn European Portuguese, Portuguese Lab is a great option. Since many resources focus exclusively on Brazilian Portuguese, this focus is not too common.Portuguese L abs videos feature grammar lessons, vocabulary lessons, dialogues, stories, music and more. Beginning students can beef up their vocabulary with the European Portuguese vocabulary  playlist. Intermediate students can get their fill of listening practice with the European Portuguese short stories  playlist.Videos are often posted weekly, so check back frequently.And while youre at it, check out these other Portuguese YouTube channels.RussianAntonia RomakerAntonia Romaker offers Russian learning videos. If youre looking to bone up on your English, though, shes got you covered there, too.Her Russian videos are second to none. They cover vocabulary, grammar and more. If youre wanting to learn some thematic words, Russian vocabulary ???????, physical exercises, workout vocabulary  can help you expand your vocabulary. If youre one of those people who listens to Christmas music year-round, try Russian Christmas Song.Usually, a couple new videos are posted each month.Maria ZdorovetskayaN eed to brush up on real, usable Russian? Maria Zdorovetskaya has some great material for you.This channel focuses primarily on real places and scenarios to show you vocabulary in action.  While this channel is most appropriate for intermediate learners, theres also plenty of material beginning students will enjoy. For instance, anyone can benefit from Are You Shy? How to Speak Any Language with Confidence,  while intermediate students will also enjoy Russian Food | Where to Eat in Moscow,  which uses the Russian language exclusively.There are usually several new videos each month.Want to take your Russian YouTube experience to the next level? Check out these Russian YouTube channels.SpanishLearn SpanishIf your Spanish skills need a strong foundation, check out Learn Spanish.Learn Spanish aims to teach you the foundational structures youll need to put together ideas on your own. To do this, the channel posts simple videos that teach grammar and vocabulary. For instance, Quick Ways t o Expand Vocabulary and Conversation  teaches some simple vocabulary and shows how to put it together into basic phrases. If youre looking for words youll use often, you cant go wrong with 20 Must Know Spanish Verbs for 2018.Learn Spanish usually posts a couple new videos each week.Butterfly SpanishIf youre looking to spread your wings in the Spanish language, give Butterfly Spanish a try.Videos cover pronunciation, vocabulary, verbs, grammar and travel Spanish. There are also some unique offerings that you wont find in most textbooks, like Hispanic first names, last names, and nicknames,  which might spare you embarrassment when you meet people, and 50+ words that are the same in English Spanish,  which is a helpful tool to expand your Spanish vocabulary quickly and easily.Butterfly Spanish usually posts a couple new videos each month.There are plenty more Spanish YouTube channels  you may want to follow.So subscribe to these language learning YouTube resources to see your languag e skills soar!

Anglo Singapore International School

Anglo Singapore International School Anglo Singapore International School Anglo Singapore International School is an International School in ]Bangkok, Thailand established in 2003 that provides an education based on Singapore Curriculum Framework leading to the Cambridge IGCSE. Education is a lasting gift we can provide for our children; thus, selecting the right school becomes one of the most important decisions a parent can make. Within the diverse community at Anglo, the teachers and staff are dedicated to guiding students toward academic and individual excellence. From a multitude of backgrounds and deeply rooted in facilitating the values ofDiligence,Respect,Responsibility, andProgress, our qualified and experienced faculty believe that education takes place in and out of the classroom; lifelong learning is fully embraced, and individuality is developed. Anglo Singapore International School is committed to providing students with essential experiences that cultivates values of integrity and compassion.

How Can You Benefit From A Chemistry Tutor?

How Can You Benefit From A Chemistry Tutor?An IGCSE Chemistry tutor can help you learn chemistry at your own pace. In addition, they can help you enhance your general knowledge about the subject of chemistry. Therefore, it is not recommended that you take up a professional chemistry tutor that is on a fixed curriculum.The nature of information that an individual learns in a science class may differ from one person to another. A student may be fascinated by chemistry but may not know what chemistry is. Thus, they will need to take an option where they will be able to understand the concepts of chemistry. Therefore, by hiring an online chemist you can teach yourself.You will also have to find out the types of questions that are likely to be asked by your pupils or other individuals in your class. You can always go on about the fundamentals of chemistry and when necessary you can give practical tips in order to develop a better understanding about the subject.Once you find the right che mistry tutor for you, you should consider making use of other resources. In fact, using the internet can really help you get a jump on the competition.A good tutor will provide you with various online resources to do your homework for you. These resources will enable you to collect the necessary materials to get you through your assignment. These online resources can also assist you in preparing your research papers and exam papers.Another important aspect of finding a chemistry tutor is to make sure that you get the best one. Remember, you will be teaching yourself, therefore, you need to be sure that you are getting the best from the said tutor.You should also ask yourself whether you want to take any synthetic material from them. This is because it will be beneficial for you to get the same information from the same resource that you would get from your physics teacher.

How to Choose a Chemistry Tutor at Arnotes

How to Choose a Chemistry Tutor at ArnotesWhether you have just graduated or are looking to improve your grade point average (GPA), a Chemistry Tutor at Arnotes can help you along the way. These tutors are trained in the chemistry class and will be able to give you the best chemistry education possible. But, before you book your class, check out this list of things to look for when choosing a tutor at Arnotes. Hopefully, these things will help you choose the best Chemistry Tutor at Arnotes that suits your needs.Chemistry tutors who work with your classes come from different backgrounds. Some tutors are experienced teachers, some are professors and others are self-taught. But each Chemistry tutor at Arnotes has received certification and is well versed in all aspects of the class.Ask how many years the tutor has taught the chemistry class. Experienced tutors will tell you that it takes many years to teach the chemistry class, and that there is no overnight fix for this. But, don't for get that chemistry classes can be confusing so you don't want to feel overwhelmed when you take the course.Ask what type of classes the tutor is taking. Not every tutor is the same, and you need to get one that is going to help you understand the course material the best. If the tutor is self-taught, there will be little continuity between the tutor's classes and yours. Some Chemistry Tutors is self-taught and this could be a huge problem.There are several other important things to look for in a Chemistry Tutor at Arnotes. Look for the experience level of the tutor. The more experience a tutor has, the better the teacher will be. Make sure that the tutor you choose is an experienced tutor that knows the course inside and out.A Chemistry Tutor at Arnotes may not be able to actually help you with the class in actual practice. But the tutor can help you focus on the concepts that will help you learn more. By using the computer, a tutor can show you the problem sets and labs, while you are learning on your own. This lets you focus on the material, and not worry about getting it right the first time.As you look for a Chemistry Tutor at Arnotes, make sure that you find someone that will be an asset to you in the class. Don't rely on the free services, because you won't be able to get the same quality teaching experience that you would get from a professor. Even if the school charges money, you need someone who knows the course. A Chemistry Tutor at Arnotes is the way to go when it comes to Chemistry tutoring.

Linear Equation Solver

Linear Equation Solver In order to solve a Linear Equation in one variable of the type ax + b = 0 where a is not equal to 0 we distribute the terms within parenthesis and simplify both sides by collecting the like terms. Then we isolate all variables on one side and all the constants on the other side. We simplify and make the coefficient of the unknown variable 1. Example 1: Solve: 5 3 (5x + 2) = 4 (7- 3x) + 1 Solution: 5 3 (5x + 2) = 4 (7- 3x) + 1 5 15x 6 = 28 12x +1 [Distributing the terms within parenthesis] -15x -1 = -12x + 29 [On Simplifying the like terms we get] - 15x + 12x = 29 + 1 [Isolating the variable on one side and the constant on other side] (- 3)x = 30 [Divide both sides by -3 and we will get] x = -10 Example 2: The sum of two numbers is 90 and the greater number exceeds thrice the smaller by 14.Find the numbers. Solution: Let the smaller number be x. As the sum of the two numbers is 90, then the greater number will be 90 x. Thrice the smaller number will be 3x So the equation becomes: 90 x = 3x + 14 -x -3x = 14 90 [Isolating the variable on one side and the constant on other side] (-4)x = - 76 [Divide both sides by -4 and we will get] x = 19 Then the greater number will be 90 x = 90 19 = 71 Hence the two numbers are 19 and 71.

How To Improve Your SSAT Math Score

How To Improve Your SSAT Math Score At first glance, the SSAT Math Section (also known as the quantitative section) may seem like a bunch of simple computations, but its much more difficult than that. The clock is constantly, constantly ticking and the questions are written to confuse you. But, if you have the right SSAT prep strategy and the right SSAT tutor to guide you through the test, youll improve your SSAT Math Scores dramatically. SSAT Math Practice tests/SSAT Tutor: Taking practice tests and reviewing them with your SSAT tutor is best way to improve your score. Practice tests alone can only help you so much, as they just show you where you struggle and give brief explanations to questions. If youre serious about improving your SSAT Math Scores, youll need to do a lot more than just find out where you struggle. A professional SSAT tutor can show you how to improve on the questions that are most difficult for you. Thats the only way to learn the information and answers questions correctly on the test. Can I use a calculator? No. Avoid using a calculator on your math homework or on your SSAT practice tests. Your brain needs to get used to doing simple math without a calculator. But, you will be allowed to use scratch paper and doing so is highly recommended. You can avoid making silly, mental mistakes by writing out every step of your work. How long is the SSAT Math section? There are two separate tests, and you have to answer 25 questions in 30 minutes for each SSAT math test, leaving you just over a minute for each question. There is a quarter of a point penalty for getting an incorrect answer on the SSAT; so do not blindly guess. But, if , and only if, you can narrow the question down to three answer choices, then guess. If you find yourself taking more than a minute on a question, make an educated guess and move on. SSAT Math questions: For the most part, the SSAT Math tests your arithmetic, elementary algebra and geometry skills. But, youll need to know a lot more than just formulas and equations. Youll need to manipulate theories and formulas to solve word problems and real-world application problems thats why simply memorizing them is not enough. SSAT Math sequence questions: Sequences are basically just patterns with simplest being {1,2,3,4}. Or sequences can be alternating numbers {0,1,0,1,0,1} . For these questions, try to subtract or add numbers to find patterns. In this sequence {5,10,15,20 } each number is 5 more than the previous. Or, focus on odd/even numbers, prime numbers, exponents and multiplication to answer more difficult questions. Consider this question: In the following sequence {3, 5, 7, 9, 21, 23, 25 ...} what is the next number? First, look to see what the numbers have in common (theyre all odd), and look for something that seems a bit off, like how 10-20 is completely skipped. Thats how youll find the pattern is odd numbers that dont begin with a 1. The next number will be 27. SSAT Math percent questions: Percents are huge on the SSAT. But, this one simple equation: (Part x 100) / Total can help you answer just about every question. Consider this question:If Kyle got 12 out of 80 test questions wrong, what is the percent of questions he got wrong?Just multiply 12 x 100 = 1,200 . Then, divide that by 80 = 15 (15% is your answer). There will also be questions like: Whats 10% of 43?To answer these, move the decimal point over two places to the left. So 10.0 becomes 0.1. Then, multiply the decimal percentage by the number (0.1 x 43 = 4.3). You will probably even see questions like: 7 is what percent of 3?Just turn these into an algebraic equation (7 = n x 3). Then, just solve (n = 7/3 = 2.33). Then, turn 2.33 into a percent by sliding the decimal over two places to the left (2.33 become 223%). SSAT Math odd and evens questions:All you need to know with these is that even/odd numbers are always two apart in a series. Look at this set: (1,2,3,4,5,6,7,8). The odd numbers are 1,3,5,7 (two apart).The even numbers are 2,4,6,8 (also two apart). Consider the following question: If X is an odd integer, what are the next two consecutive odd integers? A) Y and Z B) X and X+1 C) X+1 and X+2 D) X+2 and X+4 E) X+1 and X+3 D is the correct answer because odd/even integers are always two apart in a set. SSAT Math ratios and proportions questions: Just remember this: a proportion is two equal ratios. A/B = C/D or 3/5 = 21/35 (multiplying each by 7). Remember, 3/5 is a ratio and the whole equation is a proportion. On the SSAT, youll be asked to manipulate these equations, but remember they will always be equal. Consider this question: Solve for N: 5/10 = 15/N. First you have to find the relation between 5 and 15 (5 x 3 = 15). Now, just remember the two ratios must be equal. So, if you multiply 5 by 3 to get 15you must multiply 10 x 3 (which equals 30). So, N = 30. These are just a sampling of questions youll see on the SSAT Math section. Contact Varsity Tutors today to learn more about SSAT Math and find the best tutor to help you.

Online Chemistry Revision Resources

Online Chemistry Revision Resources What Resources Exist Online for Chemistry Revision? ChaptersGCSE Chemistry Revision ResourcesA-Level Chemistry Revision ResourcesOther Resources for Chemistry ReviewAren’t we lucky we live in a time where any amount of information we could possibly want or need is virtually at our fingertips?Imagine students of chemistry a century ago, whose only fonts of information were their professors or their campus library â€" and, at that, such sources may have been so terribly out of date due to some fantastic discovery recently made elsewhere in the world.Personal letters, conferences and publications were the ways scientists stayed current on scientific knowledge but those events didn’t happen every day, let alone at any given moment.Contrast that with our modern practices: email and teleconferencing, collaborative work platforms; document sharing software and near-instantaneous publication online...And the mightiest librarian ever; the keeper and dispenser of information: the search engine.Just as you might query a human librarian for b ooks on a certain topic â€" whereupon s/he would send you chasing down your elusive tome, search engines respond to your queries by throwing up possible results that most closely address the keywords you typed in.Here at Superprof, we are much more focused on bringing you everything you could ask for with regard to education, from a wide selection of tutors to articles dealing with specific school subjects mandated by our national curriculum.This article follows that trend by delivering a list of resources to help you master what some think is a most challenging subject: chemistry.Apps and podcasts; videos and more: your Superprof taps into the vast resources available online to bring you the best chemistry review materials on the ‘Net.You have a wide selection of chemistry study apps to choose from! Source: Pixabay Credit: GeraltAs the science portion of your exam is actually a three-parter dealing with Biology and Physics as well as Chemistry, it would be understandable that you would dread that segment of your upcoming ordeal.Test anxiety is a very real phenomenon and one of the best ways to combat it is by being secure in the knowledge that you know your subject matter cold well before you enter the testing room.Which means that the time to start preparing is now!Naturally, we’d never recommend sitting for hours with your textbook open in front of you; diversifying your learning experience will cement your knowledge of chemistry so much more efficiently.To that end, you might like...Apps to Help you Retain Chemistry ParticularsAt the top of this list must surely be the Royal Society of Chemistry’s periodic table, an interactive utility that will tell you everything you ever wanted to know about every single element on the chart.Roll your mouse over any given block to discover its electron configuration, key isotopes, and density.Click on any element to learn who discovered it and when, its history, its pressure and temperature data and a host of othe r resources such as videos and podcasts directly related to that specific element.You may bookmark that page on your computer or download the app; engineered for both Apple and Android operating systems.Incidentally, the Royal Chemistry Society also hosts a wildly informative podcast!Complete Chemistry provides a strong foundation of the science through a systematic progression from one level of understanding to the next.This app provides you with quizzes, questions, and tutorials, from basic formulas to bonding, but is only available for Android operating systems.Beware that there have been some negative reviews, mainly because of grammatical errors and sentence structures. The chemistry, however, is sound and this app’s functions are decidedly helpful in mastering chemistry concepts.Are you a bit bewildered about how to calculate the enthalpy and theoretical yield of a chemical reaction?What about computing the properties of gases using various gas laws?Indeed, a good part of ch emistry is maths, but with Wolfram Alpha’s Chemistry Assistant, you might let down your guard enough to master these and other step-by-step calculations as the app performs them.Perhaps its best feature is the customised keyboard that permits you to enter an element’s symbol directly, rather than type it out from a standard QWERTY keyboard.Of course, if that’s the keyboard you’d rather use, you are welcome to do so â€" the app incorporates both.This Chemistry Assistant can save you time doing your chemistry homework, too! Just be aware that if your teacher expects you to explain your answer, you are able to do so.This app is formatted for both iPhone and iPad and can be used on an Android system as well.Are there any chemistry revision websites that could compare?Podcasts for GCSE Chemistry ReviewBesides the above-mentioned Royal Chemistry Society podcasts, we found GCSEPod to be particularly helpful in preparing for the exams.Whereas most other science podcasts tend to lump all physical sciences together, these two podcasts treat chemistry as a discipline unto itself.Even better: GCSEPod is specifically tailored to test prep, covering all five exam board specifications!A one-year subscription starts at £200; that fee increases depending on the number of subjects you sign up to receive podcasts for.You'll be happy to know there are several engaging chemistry podcasts for you to listen to on the go! Source: Pixabay Credit: Pix1861A-Level Chemistry Revision ResourcesIf you are an A-Levels candidate, you might find certain applications we’ve already mentioned helpful, such as the Royal Chemical Society’s table of periodic elements or the formula calculator.However, there are plenty of apps and other chemistry review resources available targeted to those studying at your level.Helpful Apps for A-Level StudentsAlthough school curriculum does a fair job of separating the various sciences, the fact is that physics and chemistry are intimately intertwined and nowhere is this more evident than with Atoms in Motion.This app, designed for the iPad, demonstrates how atoms work in the full of their trajectory.We are all well-versed in the two-dimensional representation of atoms: their structure and their bonds; what attracts or reacts with what and why such actions occur.What we are less familiar with is how one atom seeks out another to form a molecule, in the vast soup that is the environment, to become the elements that we study so ardently.Find the best  physics and chemistry tutor  on Superprof.Atoms in Motion gives us atomic theory at its visual best: an interactive simulation that performs computational chemistry even as you watch the atoms move.You can play around with them, too: increase the temperature or the pressure, choose the element you wish to examine and perform simulated experiments.It’s not all watching atoms swim around, either. There is text to go along with any calculations or experiments you launch yourself into. Surely, by this point in your studies. you have already been introduced to software that will help you draw molecules and design chemical formulas, right?Unless you’ve been working with Molprime+, you are in for a very pleasant surprise.Starting from scratch, you may design any molecule on your study list and, once complete, name it and save it to your data bank. You may also upload to email and share it!Once you have created your desired compound, simply click on its icon to read all of its molecular properties:hydrogen bond acceptorshydrogen bond donorsmolecular weightrotatable bondchemical formulaOf course, life is not all about atomic structure; if you need a break from your organic chemistry studies or nuclear chemistry, simply access their built-in game to let off a bit of steam.Podcasts for Chemistry A-Level ReviewNobody expects anyone to sit for hours, in the review of test material. Still, you can review fundamental chemistry while on the go by downloading podcasts target ed to your area of study â€" and it just so happens that there are some good ones out there.Naturally, you should check out the Royal Chemistry Society podcasts as there is abundant material to help you succeed on that site.Beyond that, you may steer yourself to Podbean, who has created a series of 20 podcasts meant especially for A-Level candidates that you can download from their app, available for Android and iOS.Are you confused over covalent bonding? What is so special about alkalane combustion?Pop your earbuds in and go for a run; soon these chemistry topics and others will become crystal clear and you’ll feel great!These chemistry review applications are sure to keep you glued to your phone! Source: PixabayCredit: Nature AddictOther Resources for Chemistry ReviewFor getting a visual on sticky chemistry topics, you may take a break to view a few videos on Crash Course Chemistry.There, you will find a video library stocked with everything from solids to buffers to carbons, wi th the history of atomic theory thrown in for good measure.Each video is around 10 minutes long and narrated in American English â€" be sure to tune your ears!And, as long as you have them tuned, why not make use of Khan Academy’s impressive collection of chemistry instructional videos?There, you will be treated to explanations of concepts such as stoichiometry and redox reactions. Each topic’s video comes complete with exercises and a quiz to help you determine your grasp of the material.Chemistry blogs might come in as a last resort â€" after all of the reading you do to understand your subject matter, why take on more?Because getting a different perspective of the discipline will permit you to embrace it more easily!And these blogs make embracing chemistry easy, indeed.Top-rated Chemistry BlogsNameSynopsisAddressScholarly Kitchengeneral discussions about social and technical impacts on the scientific realmhttps://scholarlykitchen.sspnet.orgCompound InterestExploring the chemi stry of everyday livinghttps://www.compoundchem.comJust Like CookingResearch tips and techniques, jobs, paper reviewshttp://justlikecooking.blogspot.comThe Chronicle FlaskDispelling junk science; chemistry around ushttps://chronicleflask.comScience communication mediahow to publish findings; how to ask for research grantshttp://sciencecommunicationmedia.comWe now round out our list of resources by including games with a chemistry theme.Top-rated Chemistry GamesNameDescriptionAndroid/iOS/PC/MACSpacechemProduce chemical molecules to create circuitsyes yes yes/yesChemCaperA role play adventureyes yes no/noProfessor Why ChemistryConduct experiments in a virtual laboratoryno no yes/yesBackside AttackOrganic chemistry game with a focus on SN2 reactionsno yes no/yesPoring over chemistry revision books and too much studying can be as harmful to your test result as too little review would be, so remember to mix things up a little â€" with all of these options, you’ll have no trouble doing just that!

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