Khan Academy
Khan Academy: Activation Energy
Learn about activation energy, transition state, and reaction rate.
Smithsonian Institution
National Museum of American History: Fuel Cell Basics
Presents a general overview of fuel cells including what is a fuel cell, how do they work, and the different types.
Khan Academy
Khan Academy: Stoichiometry Article
Learn about stoichiometry through examples and explanations.
Khan Academy
Khan Academy: Stoichiometry
How to use mole ratios from a balanced reaction to calculate amounts of reactants.
CK-12 Foundation
Ck 12: Life Science: 2.16 Cellular Respiration Process
Explore the specific reactions that happen during the cellular respiration process.
Science Buddies
Science Buddies: Test Your Foods for Starch
There is a simple chemical test that you can do to detect starch, which involves an iodine solution. The iodine solution turns any food that contains starch dark blue. Try this activity and watch it in action yourself.
Science Buddies
Science Buddies: Make a Fire Snake
With a few simple ingredients, you can create a "fire snake" that appears to grow out of nowhere. Although it looks magical, no magic is involved-it is all because of a chemical reaction.
Science Buddies
Science Buddies: Milk Curdling With Enzymes!
Do this activity to find out how to make milk curdle.
Concord Consortium
Concord Consortium: Stem Resources: Making Heat
In this activity, students perform a reaction with different concentrations of reactants and monitor the temperature of the reaction. Activity contains procedure, analysis questions, and graph template. Students can save their answers...
Cosmo Learning
Cosmo Learning: Chemical Reaction Engineering
A collection of video lectures from a chemical reaction engineering course taught at the National Programme on Technology Enhanced Learning. In thirty-nine lectures, the course covers topics including chemical reactions, thermodynamics,...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Somethin' Sweet
This site provides a lesson plan using candy making to demonstrate physical and chemical changes in matter. Includes directions to make caramel and rock candy.
Science Education Resource Center at Carleton College
Serc: Mn Step: Sharpie Marker Tie Die T Shirts
This is an exercise in scientific observation. While students are creating a tie-die design on a t-shirt, they will observe the chemical reaction taking place between the rubbing alcohol and the permanent markers, and which color spread...
Wikimedia
Wikipedia: Activation Energy
This site from the Wikipedia encyclopedia contains a qualitative explanation of activation energy, explaining what it is and why it is necessary. Links are also provided throughout the article for additional information.
Instituto Latinoamericano de la Comunicacion Educativa
La Ciencia Para Todos: Quimica
Some of the topic discussed here are electrode, electrochemical corrosion, cathode protection, soil erosion, heat and work, chemical reaction and heat, the green house effect and the kitchen and chemistry.
PBS
Pbs Teachers: Soda Bottle Boat Experiment
Use the chemical reaction that occurs when mixing a base (baking soda) with an acid (vinegar) to turn a plastic soda bottle into a jet boat.
Other
New Mexico State University: Change in Entropy
An example of a calculation of the change in entropy in a simple chemical reaction.
Sophia Learning
Sophia: Endothermic/exothermic Reactions: Lesson 3
This lesson explains the difference between endothermic and exothermic chemical reactions. It is 3 of 4 in the series titled "Endothermic/Exothermic Reactions."
Sophia Learning
Sophia: Enzyme Function: Lesson 4
This lesson will describe how an enzyme is used to turn substrate into product. It is 4 of 5 in the series titled "Enzyme Function."
Sophia Learning
Sophia: Fission and Fusion: Lesson 2
This lesson will explain how fission and fusion in chemical reactions can be used to produce energy. It is 2 of 4 in the series titled "Fission and Fusion."
Sophia Learning
Sophia: Fission and Fusion: Lesson 4
This lesson will explain how fission and fusion in chemical reactions can be used to produce energy. It is 4 of 4 in the series titled "Fission and Fusion."
Sophia Learning
Sophia: Fission and Fusion: Lesson 1
This lesson will explain how fission and fusion in chemical reactions can be used to produce energy. It is 1 of 4 in the series titled "Fission and Fusion."
Sophia Learning
Sophia: Activation Energy: Lesson 2
This lesson will explain how activation energy is needed to start a chemical reaction. It is 2 of 5 in the series titled "Activation Energy."
Sophia Learning
Sophia: Activation Energy: Lesson 3
This lesson will explain how activation energy is needed to start a chemical reaction. It is 3 of 5 in the series titled "Activation Energy."