Endo Exo

What type of reaction occurs in a hand warmer

• exothermic
• endothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

Exothermic reactions...

• Absorb energy
• Release energy
• Release Color
• Absorb Color

Tags

NGSS.HS-PS1-4

In an endothermic reaction, heat is ...

• taken in or absorbed
• given out or released 

Tags

NGSS.HS-PS1-4

Have you ever eaten sherbet sweets candy? They fizz in your mouth and your tongue feels cold. Why do you think that is?

• It is an exothermic reaction
• It is an endothermic reaction
• It is made of ice
• It is dissolving your mouth

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

• endothermic reaction

• exothermic reaction

Tags

NGSS.HS-PS1-4

NGSS.HS-LS1-5

NGSS.HS-LS2-5

_____ reactions usually feel hot!

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

____ reactions usually feel cold.

• endothermic

• exothermic

Tags

NGSS.HS-PS3-4

A catalyst works by

• changing the order of the reaction
• increasing the temperature
• lowering the activation energy
• making the activated complex

• -200 KJ

• 200 KJ

• 400 KJ

• -300 KJ

Tags

NGSS.HS-PS1-4