Sophia Learning
Sophia: Activation Energy: Lesson 4
This lesson will explain how activation energy is needed to start a chemical reaction. It is 4 of 5 in the series titled "Activation Energy."
Sophia Learning
Sophia: Activation Energy: Lesson 1
This lesson will explain how activation energy is needed to start a chemical reaction. It is 1 of 5 in the series titled "Activation Energy."
ClassFlow
Class Flow: Rates of Change
[Free Registration/Login Required] This is part 4 of a 4 part series to include the nature of chemical reactions, reaction types, and balancing chemical equations.
Chem4kids
Chem4 Kids: Biochemistry: Enzymes
This tutorial takes a brief look at enzyme activity and how enzymes work as catalysts.
BiologyWise
Biology Wise: What Are Enzymes and How Do They Work?
Explains what enzymes are, the three broad categories, their working mechanism and two theories developed to explain this, and factors that impact enzyme activity.
