Endothermic and Exothermic Reactions

In an endothermic reaction, energy is _________.

• absorbed

• released

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-6

_____ reactions usually feel hot!

• endothermic

• exothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

____ reactions usually feel cold.

• endothermic

• exothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Endo means in or _______.

• absorbed

• released

Exo means out or ________.

• absorbed

• released

Tags

NGSS.HS-PS1-4

What instrument would you use to detect an endothermic or exothermic reaction?

• triple beam balance

• ruler

• thermometer

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-6

NGSS.MS-PS3-4

'Have you ever eaten sherbet sweets? 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

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

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• bubbles of gas appear
• dissolving

Tags

NGSS.MS-PS1-2

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

•  Physical Change
•  Chemical Change

Tags

NGSS.MS-PS1-2