BBC
Bbc: Gcse Bitesize: Heat Energy Changes in Chemical Reactions
This lesson focuses on heat energy changes in chemical reactions. Exothermic reactions transfer energy to the surroundings. Endothermic reactions take in energy from the surroundings. It also offers links to a video and a test.
Georgia State University
Georgia State University: Hyper Physics: Heat Engine Cycle
The heat engine cycle is defined and discussed. So pressure-volume diagrams are introduced and their use in depicting the cycles of a heat engine is demonstrated. Informative graphics are accompanied by reason-filled explanations.
Georgia State University
Georgia State University: Hyper Physics: Heat Engine Concepts: The Otto Cycle
Schematic diagrams illustrating the operation of a four-stroke engine cycle. Interactive buttons allow you to step through the various steps of each engine cycle. Each graphic is accompanied by an excellent explanation.
Other
Nearpod: Endothermic & Exothermic Reactions
In this lesson on endothermic and exothermic reactions, students explore chemical reactions, energy transfer, and energy diagrams.