National Institute of Open Schooling
Chemical Kinetics
Not all chemical reactions happen at the same rate because some, like explosions, occur quickly and some, like rusting, occur over time. Here, learners explore chemical reactions and their rates in the 16th lesson of 36. Through readings...
National Institute of Open Schooling
Chemical Equilibrium
Le Chatelier's interest in thermodynamics and building materials such as cement and plaster led to the Le Chatelier Principle in 1884. Activity 13 in a series of 36 extensively explores chemical equilibrium. Learners read about...
Chem4kids
Chem4 Kids: Reactions
This site provides a detailed overview of chemical reactions. Content explores what a reaction is, as well as different types of reactions, reaction rates, how to measure compounds to create a reaction, and "stuff" you can add to a...
Chem4kids
Chem4 Kids: Measuring Reaction Rates
There are a variety of rates scientists measure when studying chemical reactions. This resource highlights five rates often measured.
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.