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Lessons
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- Lesson
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Notes on reaction mechanism
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- Mechanisms describe in a stepwise manner the exact collisions and events that are required for the conversion of reactants into products. Mechanisms achieve that goal by breakin...
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Normality
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- When you need to compare solutions on the basis of concentration of specific ions or the amount of charge that the ions have, a different measure of concentration can be very us...
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The properties of gases
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- The Properties of Gases Pressure- it is defined as force divided by the area to which the force is applied. 0.25in;”><supportLists]->- &nbs...
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- Why smoking is harmful? The word tobacco is thought to derive from the Native American word tabago, for a Y-shaped pipe used in sniffing tobacco powder. Cigarettes and other ...
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- WHY COFFEE KEEPS U AWAKE?It is well-known that the effect of coffee on mood is related to its content in caffeine. But why caffeine has such a strong effect on us? Caffeine op...
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- Zap it out with physics! Materials: Some of the following:Hair (your own, if you have some)A balloonA combA tap of waterYour pet (or little sibling if you have one)A t...
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- Welcome to an Exciting Science Match! This time, we’ve got 2 teams lined up for the game- the Purely Particles and the Wild Waves. These 2 amazing teams have prepar...
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- Grow your own crystal rock candy! This experiment is adapted from the one by Anne Marie Helmenstine, found at About.com. Materials: A cup of water3 cups of sugarA cle...
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- Turn regular milk into a magical piece of art! This experiment is adapted from the one by Anne Marie Helmenstine, found at About.com. Materials:A clean plateMilk (2 %,...
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- Make your own home-made volcano! 3. Make sure that if you’re doing this indoors, place the volcano on a deep dish, or at least on some newspapers. WouldnR...
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Basic Chemistry 3
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- Basic Chemistry, Part 3 Good news! You should already know from reading lesson 1 and lesson 2 all about substances, specifically atoms, elements, and how they combine to...
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Basic Chemistry 2
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- Basic Chemistry, Part 2 So, you’ve read lesson 1 about atoms, elements, compounds, substances, and other chemical stuff. Now we can continue! We’ve discuss...
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Basic Chemistry 1
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- Basic Chemistry, Part 1 What comes to mind when I say chemistry? Boring lessons in high school? Cool experiments with explosions? Test tubes full of liquids in v...
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- Quantum Physics and Bohr We’ve had lots of progress since Dalton’s sphere-atoms. We found out that electrons exist, then found out about the nucleus. We saw ...
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- Progress and Problems So, here’s what we had so far: ancient people coming up with the idea of atoms, Dalton realizing it makes sense and publishing the first atom...
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- From cookies to solar systems As you’ll recall, since Dalton came up with a modern atomic theory, things started to move. J.J. Thomson was the first to rock the bo...
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- Thomson and Subatomic Discoveries Let’s have a quick recap- atomic theory began in ancient times, when smart people hypothesized that matter is composed of smal...
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- John Dalton’s Atomic Theory Last time we learned that during ancient times, in Greece and India, people came up with concepts that would later form the underlyi...
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- Chemistry, as we all know, is the science of matter. You should already be familiar with concepts like substances, elements, compounds, molecules, and other such lovely t...
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- Ask The ExpertsInvestigating the top majors, Sherlock Holmes is on the case. You can profile your picks and review the evidence to find the sure-fire academic answers you’...
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Periodic Table: The Musical
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- Have a hard time remembering the elements? Let this song help you out. The Elements “The Elements” (1959) is a song by musical humorist Tom Lehrer...
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Periodic Table Javascript
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- Click on the picture to get the javascript driven periodic table!
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- H – HydrogenHe – HeliumLi – LithiumBe – BerylliumB – BoronC – CarbonN – NitrogenO – OxygenF – FluorineNe – Neon
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How to create Colored Flames
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- I remember when I was a kid, as I tended the wood stove to warm the house I would rummage through my old Nintendo Power magazines looking for colorful pages in attempt to change...