Texas Instruments
Texas Instruments: Keep It Bottled Up: Linear Rates of Pressure Increase
In this activity, students' examine how temperature affects the rate of gas production during a chemical reaction. They measure this rate by recording the pressure variation using a pressure sensor and model the pressure data using a...
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.
TeachEngineering
Teach Engineering: Fuel Mystery Dis Solved!
In this activity, students investigate the simulated use of solid rocket fuel by using an antacid tablet. Students observe the effect that surface area and temperature has on chemical reactions. Also, students compare the reaction time...
Sophia Learning
Sophia: Limiting Reactant Percent Yield
A video lesson which explains how to determine the percent yield of a substance using the theoretical yield of the chemical reaction. [5:13]
Khan Academy
Khan Academy: Activation Energy
Learn about activation energy, transition state, and reaction rate.
TeachEngineering
Teach Engineering: Wizardry and Chemistry
Students learn how common pop culture references (Harry Potter books) can relate to chemistry. While making and demonstrating their own low-intensity sparklers (muggle-versions of magic wands), students learn and come to appreciate the...
Dartmouth College
Dartmouth College: Chem Lab: Coordination Chemistry: Kinetics of Ligand Exchange
In this experiment, you will complete the study of the mechanism of ligand exchange. The reaction will be followed colorimetrically and the rates of exchange and ligand isomerization will be measured. Requires Java plug-in.
BiologyWise
Biology Wise: Chemosynthesis and Photosynthesis
Compares chemosynthesis and photosynthesis, including their chemical reactions, where they take place, their energy sources, the organisms that perform each, the factors that affect their reaction rates, and the byproducts for each.
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.