Exothermic or endothermic

Exercise and reference answers

Categories

1. Exothermic
2. Endothermic

Questions

1. Answer

   Exothermic

   Question

   Burning natural gas

2. Answer

   Exothermic

   Question

   Respiration in our cells

3. Answer

   Endothermic

   Question

   Heating calcium carbonate to break it down

4. Answer

   Exothermic

   Question

   Quicklime reacting with water

5. Answer

   Endothermic

   Question

   Electrolysis of water

6. Answer

   Exothermic

   Question

   A reaction that warms the container

7. Answer

   Endothermic

   Question

   A reaction that absorbs energy from around it

8. Answer

   Endothermic

   Question

   Heating ferrous sulphate crystals

Instructions

Tap the side each one belongs to. The rope pulls against you while you think.

Explanation