Curated OER
Energy Worksheet
In this energy learning exercise, learners calculate the enthalpy of chemical reactions to answer 9 problems. They determine whether the reaction is exothermic or endothermic.
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.
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.