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.
Physics4kids
Physics4 kids.com: Thermodynamics & Heat: Enthalpy
Concise information about enthalpy, the measure of the total energy of a thermodynamic system.
Science Struck
Science Struck: Endothermic vs. Exothermic Reactions
Explains the differences between endothermic and exothermic reactions and the role thermodynamic potentials play in them. Examples from nature are also provided.