Other
University of Siegen: Enthalpy of Solution
This resource provides a physical reaction. Hydrous and anhydrous calcium chloride react with water to produce physical exothermic and endothermic reactions.
Science Education Resource Center at Carleton College
Serc: Energy Changes During a Reaction: Exothermic, Endothermic
A demonstration to introduce energy changes during reactions, and to promote discussion regarding exothermic and endothermic reactions, enthalpy, spontaneity, system, and surroundings.
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.
Vision Learning
Visionlearning: Reactions and Changes: Chemical Reactions
Explanation of Noble gases and of how atoms attempt to fill their outermost valence shells for stability.
CK-12 Foundation
Ck 12: Physical Science: Activation Energy
[Free Registration/Login may be required to access all resource tools.] Definition of activation energy and why all chemical reactions require it.
Science Education Resource Center at Carleton College
Serc: Exo and Endo Thermic Processes
In this chemistry lab, students investigate two types of reactions and answer questions relating to exothermic and endothermic reactions.
Other
Austin Community College: Handout on Enthalpy
A step-by-step example of how to complete Hess's Law problems. This example includes all the manipulations that may be required for Hess's Law.
The Wonder of Science
The Wonder of Science: Ms Ps1 6: Thermal Energy Design Project
A collection of lessons that have students completing a design project where they construct, test, and modify a device that uses chemical processes to either release or absorb thermal energy. Site includes work samples, phenomena,...
Other
The Science House: Ziptop Bag Chemistry
In this experiment, three reactions are performed in a sealed Ziploc bag so that they can be observed. Students identify whether physical or chemical change has taken place.
Texas Instruments
Texas Instruments: Metabolic Magicians
In this activity, students understand the relationship between enzyme reaction rates and various environmental factors such as pH and temperature. They recognize the metabolic differences between endotherms and exotherms. They generate...
Science Education Resource Center at Carleton College
Serc: How Does Nature Know Which Way Is Forward?
Through critical thinking, students realize that spontaneous events happen in a certain order. This lesson presents an examination of the Second Law of Thermodynamics using a thought story, rubber band inquiry, discrepant event and lecture.