Lesson 3 - Endothermic & Exothermic Reactions

This is when heat is absorbed, it is an

• Exothermic reaction

• endothermic reaction

• both

• none

When heat is released it is an

• exothermic reaction

• endothermic reaction

• both

• none

The temperature increases outside of this reaction

• exothermic

• endothermic

• both

• none

The temperature decreases outside of this reaction

• exothermic

• endothermic

• both

• none

Evidence of a chemical reaction is when 2 substances react, they

• stay the same

• form a new substance

• both

• none

Your hands get cold outside from not wearing gloves

• exothermic

• endothermic

• both

• none

Fire is an example of

• exothermic reaction

• endothermic reaction

• none

• both

Fireworks are an example of

• exothermic

• endothermic

• both

• none

A melting ice cube is an example of

• exothermic

• endothermic

• none

• both

An ice pack in an example of

• exothermic

• endothermic

• both

• none