Science Buddies
Science Buddies: Project Ideas: Cold Pack Chemistry: Where Does the Heat Go?
This science fair project shows you what you need to make an endothermic reaction, the coldness of which is governed by the amount of ammonium nitrate used. The Science Buddies project ideas are set up consistently beginning with an...
Chemistry Collective
Chem Collective: Hot/cold Pack Problem: Part 2
Based on information from Part 1 of the Hot/Cold Pack Problem, design a hot/cold pack.