Endo and Exothermic

if more heat energy is released in making bonds in the products than is taken in when breaking bonds in the reactants

• Exothermic

• Endothermic

• Exotermic

• Endotermic

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 reaction

• exothermic reaction

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

A + Heat -------> C + D

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

A + B-------> C + Heat

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

Evaporation of sweat

• Endothermic

• Exothermic

Tags

NGSS.MS-PS1-4

Releases energy

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

A + B -> AB + energy

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

The ice melting to form liquid water is an example of...

• an exothermic reaction because it releases heat.

• an endothermic reaction because it releases heat.

• an exothermic reaction because it absorbs heat.

• an endothermic reaction because it absorbs heat.

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

Mike tests four solids A, B, C and D. He adds each solid to 10 cm3 of water. He measures the temperature of the water at the start.He then stirs the mixture and measures the temperature of the water again. Here is his results table.

Which solid gives the endothermic change?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-4