Texas Instruments
Texas Instruments: Keep It Bottled Up: Linear Rates of Pressure Increase
When two or more chemicals react, other substances such as gases may be produced. The rate at which the reaction takes place can be affected by a number of different factors including temperature. In this activity, you will see how...
American Chemical Society
Middle School Chemistry: Temperature and Rate of a Chemical Reaction
Watch molecules collide with enough energy that bonds break and form new bonds in a chemical reaction.
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.
Dartmouth College
Dartmouth College: Chem Lab: Chemical Kinetics 2
This lab further analyzes the results of the experiments carried out in Chemical Kinetics 1. In addition, you will carry out experiments to determine the temperature dependence of the reaction rate constant. Requires Java plug-in.
CK-12 Foundation
Ck 12: Rate Laws
[Free Registration/Login may be required to access all resource tools.] Students use a rate law to describe the concentration dependence of a reaction rate, and then determine the rate law for a reaction by analysis of experimental data....
Science Buddies
Science Buddies: Project Ideas: Chemical Reaction Rate in Ultraviolet Beads
In this science fair project, experiment with the role temperature plays in the rate at which UV beads lose their color. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and introduction,...
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.
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...
Ducksters
Ducksters: Chemistry for Kids: Chemical Reactions
A site discussing chemical reactions in chemistry including reaction rate, types of reactions, reagents, reactants, catalysts, and inhibitors.
Science Buddies
Science Buddies: Big Pieces or Small Pieces: Which React Faster?
Use an Alka-Seltzer to find out how size of a particle affects the speed of a chemical reaction. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and introduction, followed by a section on...
Science Buddies
Science Buddies:plop, Plop, Fizz Fast:the Effect of Temperature on Reaction Time
By using Alka-Seltzer and different temperatures of water, you can determine the effect of the water temperature on the chemical reaction of the tablet. The Science Buddies project ideas are set up consistently beginning with an...
Science Buddies
Science Buddies: How Fast Does an Alka Seltzer Tablet Make Gas?
This is a straightforward, fun project to measure the rate of the chemical reaction that occurs when Alka-Seltzer tablets are plopped into water. You'll track the volume of carbon dioxide gas produced at regular intervals after the...
CK-12 Foundation
Ck 12: Reaction Mechanisms
[Free Registration/Login may be required to access all resource tools.] Students describe how the elementary steps of a chemical reaction combine to produce the overall reaction mechanism, and identify intermediates and catalysts when...
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.
Science Buddies
Science Buddies: Enzyme Catalyzed Reactions What Affects Their Rates?
Enzymes speed up chemical reactions by factors of at least a million. This project investigates some of the factors that affect how fast enzymatic reactions occur.
Better Lesson
Better Lesson: Reaction Rates Flipped (Day 1)
Eighth graders will briefly review key information about reaction rates before designing their own experiments to complete a chemical reaction within a student specified amount of time.
Science Buddies
Science Buddies: Bring on the Heat! Investigating Exothermic Reaction Rates
Have you ever pulled a muscle or just been sore after a long day of work or exercise? Hot showers are great, but maybe you've used the more convenient heat packs. Heat packs, which you can buy at grocery or drug stores to soothe aching...
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...
Science Buddies
Science Buddies: Investigate the Kinetics of the Amazing Iodine Clock Reaction
In this science fair project, investigate the chemical kinetics of the famous iodine clock reaction. This classic experiment requires about a week to complete.
Sophia Learning
Sophia: Reaction Rate
This lesson will describe factors that can affect the rate of a chemical reaction.
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]
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.
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.