American Chemical Society
Inquiry in Action: Change in Temperature: Exothermic Reaction
Students will observe an exothermic reaction in this activity where they add calcium chloride to a baking soda solution. This increase in temperature is due to the chemical change that has occurred.
Texas Instruments
Texas Instruments: Endothermic and Exothermic Reactions
In this activity, students will observe two chemical reactions. They will use an EasyTemp probe to determine the change in temperature and identify endothermic and exothermic reactions.
Texas Instruments
Texas Instruments: Glencoe Science: Endothermic and Exothermic Process
Students can use TI graphing calculators and data collection to find equations of lines using slope-intercept format and graph.
Science Education Resource Center at Carleton College
Serc: Chemical Reactions: Investigating Exothermic and Endothermic Reactions
In this 9th grade physical science guided inquiry, students will work in pairs to discover the indicators of chemical reactions. Each pair of students is assigned either an exothermic or endothermic reaction. Based on their observations,...
Other
University of Siegen: An Exothermic Reaction
The University of Siegen provides a lovely exothermic reaction shown by four large photos. Sodium peroxide and zinc powder with a touch of water.
Center of Science and Industry
Cosi Columbus: Sidewalk Chalk
Make your own sidewalk chalk, and learn about chemical reactions. During the procedure, feel the heat as energy is released in an exothermic reaction.
Concord Consortium
The Concord Consortium: Molecular Workbench: Explosions
Observe an explosion on a molecular level. Understand how explosions can do work.
CK-12 Foundation
Ck 12: Heat Flow
[Free Registration/Login may be required to access all resource tools.] In this lesson, students study the difference between reactions that absorb versus release heat as well as how to measure this change in energy.
Other
Msd Hyper Glossary: Exothermic and Endothermic
This site from the Interactive Learning Paradigms discusses and defines exothermic and endothermic reactions. Further information is given under the definitions along with several links to additonal information. An interesting site.
CK-12 Foundation
Ck 12: Physical Science: Exothermic Reactions
[Free Registration/Login may be required to access all resource tools.] Explains the definition of an exothermic reaction, the role of energy, and examples of exothermic reactions.
CK-12 Foundation
Ck 12: Physical Science: Chemical Reaction Overview
[Free Registration/Login may be required to access all resource tools.] Explains chemical property and chemical reaction.
CK-12 Foundation
Ck 12: Physical Science: Chemical Reaction Overview
[Free Registration/Login may be required to access all resource tools.] Provides an introduction to chemical reactions.
Science Bob Pflugfelder
Science Bob: Fantastic Foamy Fountain
Science experiment shows how yeast mixed with hydrogen peroxide creates not only foam but an Exothermic Reaction.
BBC
Bbc: Gcse Bitesize: Exothermic and Endothermic Reactions Aqa
This lesson focuses on Exothermic and Endothermic Reactions. Exothermic reactions transfer energy to the surroundings. Endothermic reactions take in energy from the surroundings. It provides links to a video and a test.
CK-12 Foundation
Ck 12: Chemistry Simulation: Hot Pack Cold Pack
[Free Registration/Login Required] Explore endothermic and exothermic processes by making a cold pack or hot pack.
Khan Academy
Khan Academy: Test Prep: Mcat: Chemical Processes: Thermochemistry: Endothermic vs. Exothermic Reactions
Using an illustrated example, the difference between an endothermic and an exothermic reaction is described. The concept of enthalpy, or heat energy change, is explained, and the energy diagrams of reactions are presented.
Other
Nearpod: Endothermic & Exothermic Reactions
In this lesson on endothermic and exothermic reactions, students explore chemical reactions, energy transfer, and energy diagrams.
Other
Siegen University: Burning of Magnesium
This site from Siegen University contains brief information and a step-by-step photo display of burning magnesium. The information is very short but the pictures are definately worth checking out.
Other
University of Liverpool: Reactions in Everyday Life: Endothermic and Exothermic
Equations illustrating both endothermic and exothermic reactions, with energetics involved.
Other
On Line Study Guide/reaction Rates and Equilbrium
Here's a full and understandable discussion of Reaction Rates and Equilibrium.
University of Nebraska
Do Chem: Simple Heat of Acid Base Reaction
A simple lab activity that allows good data collection on heat of solution.
PBS
Pbs Teachers:nordic Sagas: Radioactive Reindeer
Demonstrate how soil absorbs radioactivity by simulating the absorption of the radioactive isotope from the Chernobyl disaster into the lichen of Scandinavia. Use a chart to figure out the half-life of the isotope.
PBS
Pbs Teachers:nordic Sagas: Island Life
Explore how life invades, colonizes and changes over time. Model a shallow underwater volcano to see what type of island forms, investigate seed dispersal methods and describe how wing size and shape determine which birds fly where.
Science Struck
Science Struck: Exothermic Reaction Examples
Explains what an exothermic chemical reaction and is and gives examples seen in everyday life.