Endothermic and Exothermic Reactions

What is an exothermic reaction?

• heat energy is given out to the surroundings

• heat energy is taken into the substance

• no energy is given out

Exothermic reactions give out heat energy to the surroundings?

• True

• False

What happens to the temperature in an exothermic reaction?

• it stays the same

• the temperature decreases

• the temperature increases

What is an example of exothermic?

• firework

• ice pack

• coal

• wood

What type of reaction occurs in a hand warmer?

• exothermic

• endothermic

What type of reaction is shown in the photo?

• Exothermic
• Isothermic
• Endothermic
• None of the  above

If a chemical reaction is EXOTHERMIC, the temperature would....

• Stay the same
• Increase
• Decrease

In an exothermic reaction, heat is ...

• taken in
• given out

Endothermic means energy _______.

• absorbed

• released

____ reactions usually feel cold.

• endothermic

• exothermic