Exo and Endo Reactions

In an exothermic reaction, heat is ...

• taken in or absorbed
• given out or released

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

In an endothermic reaction, heat is ...

• taken in or absorbed
• given out or released 

Tags

NGSS.HS-PS1-4

Is photosynthesis an exothermic or endothermic reaction?

• Endothermic
• Exothermic
• Neither

Tags

NGSS.HS-LS1-5

NGSS.HS-PS1-4

Baking bread and cooking an egg are examples of....?

• Endothermic processes
• Exothermic processess
• None of these 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

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

• Stay the same
• Increase
• Decrease

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.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

_____ reactions usually feel hot!

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

____ reactions usually feel cold.

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

When a candle is lit hydrocarbons are combusting. An exothermic reaction is occuring. Energy is being _________________ .

• absorbed

• frozen

• destroyed

• released

Tags

NGSS.HS-PS1-4

HCl reacts with Zn giving off heat

• endothermic
• exothermic

Tags

NGSS.HS-PS1-4