Exothermic/Endothermic Reactions

In an exothermic reaction, heat is ...

• taken in or absorbed

• given out or released

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

In an endothermic reaction, heat is ...

• taken in or absorbed
• given out or released 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What type of reaction occurs in a hand warmer

• exothermic
• endothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS1-2

NGSS.MS-PS1-6

Is photosynthesis an exothermic or endothermic reaction?

• Endothermic
• Exothermic
• Neither

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

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-PS1-4

NGSS.MS-PS1-2

Review question: After you mix two substances together, a new substance forms. This is an example of:

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What term is given to a reaction which transfers heat energy to the surroundings?

• Endothermic

• Reversible

• Exothermic

• Exotermic

Tags

NGSS.HS-PS1-4

A student mixed two chemicals to allow them to react. The temperature before the reaction was 25 ° C. The temperature after the reaction was 18° C. Which of the following is true?

• The temperature increased

• It is an endothermic reaction

• It is an exothermic reaction

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2

The ice pack absorbs _________________ from the skin.

• cold

• heat

• both

• none

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3