Sophia Learning
Sophia: Factors Affecting Reaction Rate
This lesson will describe the factors affecting reaction rate, including temperature, stirring (agitation), surface area (particle size), concentration.
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.
Frostburg State University
General Chemistry Online: Reaction Rates
Find answers to questions often asked about reaction rates. Recognize rate laws and the relationship between temperature and reaction rates.
Khan Academy
Khan Academy: Activation Energy
Learn about activation energy, transition state, and reaction rate.
Science Buddies
Science Buddies: Explore Enzyme Activity With Toothpicks
In this activity, you will simulate an enzymatic reaction and explore what factors affect the activity of an enzyme.