Endothermic and Exothermic Processes

This is when heat is absorbed, it is an

• Exothermic reaction

• endothermic reaction

• both

• none

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

Which of these processes is always exothermic?

• evaporation

• burning

• insulation

• melting

Equal amounts of four different substances (A-D) where added separately to equal amounts of an acid and a thermometer placed in the mixture. For which substance is the reaction the most exothermic?

Tags

NGSS.HS-PS1-4

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

• Stay the same

• Increase

• Decrease

Tags

NGSS.HS-PS1-4

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

• Endothermic processes

• Exothermic processess

• None of these 

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Is photosenthysis an Exothermic or an Endothermic reaction?

• Endothermic

• Exothermic

Tags

NGSS.HS-LS1-5

O_2(g) + 2 H_2 (g) → 2 H_2O (g) + Energy

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

When heat is released it is an

• exothermic reaction

• endothermic reaction

• both

• none

Fireworks are an example of

• exothermic

• endothermic

• both

• none

Tags

NGSS.HS-PS1-4