Phase Change Unit Test Review Amplify

Which are the 3 basic states of matter?

• Solid, plasma, gas

• Solid, liquid, gas

• Gas, gasoline, natural gas

• Colloids, liquid, gas

Tags

NGSS.MS-PS3-4

7. All phase changes (changing states) requires energy to be added or taken away.

• True
• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Melting is ...

• liquid to solid
• solid to liquid
• solid to gas
• gas to liquid

Tags

NGSS.MS-PS1-4

Freezing is...

• Solid to gas
• Liquid to solid
• Gas to solid
• Liquid to gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A chef finds a sealed container consisting of an ingredient that goes into his restaurant’s secret sauce. The ingredient’s molecules are moving in place. What will happen if the chef causes the ingredient to change phase by transferring energy into it?

After the phase change, the ingredient’s molecules will move . . .

• faster, and the ingredient will be a solid.

• faster, and the ingredient will be a liquid.

• slower, and the ingredient will be a solid.

Tags

NGSS.MS-PS1-4

Cesar and Ming were investigating a see-through container of water. Water can be a solid, liquid, or gas. At first, Cesar and Ming said the water molecules were moving in place. Later , the water molecules were moving around each other. What change did they observe to the water?

• At first, the water was a gas. Later, it was a liquid.

• At first, the water was a solid. Later, it was a liquid.

• At first, the water was a liquid. Later, it was a gas.

Tags

NGSS.MS-PS1-4

What happens to particles when they are heated?

• They speed up and spread out
• They slow down and compress
• They stop moving
• They move closer together and speed up

Tags

NGSS.MS-PS1-4

What is the average kinetic energy of a substance called?

• volume

• temperature

• pressure

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When molecules move slower, kinetic energy

• increases
• stays the same
• decreases
• none of these

Tags

NGSS.MS-PS1-4