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Activity
Science Buddies

Science Buddies: Project Ideas: Cold Pack Chemistry: Where Does the Heat Go?

For Students 9th - 10th
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...
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Activity
Chemistry Collective

Chem Collective: Hot/cold Pack Problem: Part 2

For Students 9th - 10th
Based on information from Part 1 of the Hot/Cold Pack Problem, design a hot/cold pack.