Endothermic and Exothermic Processes

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 least endothermic?

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In an endothermic reaction, energy is _________.

• absorbed

• released

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

____ reactions usually feel cold.

• endothermic

• exothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

_____ reactions usually feel hot!

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

Ice cubes in your glass of soda melt.

• endothermic

• exothermic

Tags

NGSS.MS-PS1-4

Which of the following examples is an endothermic reaction?

• Potassium Chloride dissolves in water the temperature drops.

• Acid mixed with Sodium Carbonate the temperature drops.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is an example of endothermic process?

• Chemical Ice Pack

• Boiling Water

• Bonfire

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is TWO ways to know an Endothermic Reaction has occurred?

• Temperature Drops

• Something is dissolved

• Temperature Rises

• Combustion

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Solid --> liquid --> gas is what type of reaction?

• endothermic

• exothermic

• catalytic

• inhibited

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

gas --> liquid --> solid is what type of reaction?

• endothermic

• exothermic

• catalytic

• inhibited

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4