Melting and Freezing

When heated enough, object will begin to ___?

• Freeze

• Melt

Tags

NGSS.MS-PS1-4

What happens to the molecules as a liquid is frozen?

• They come closer together.

• They separate further apart.

Tags

NGSS.MS-PS1-4

True or False: when a liquid form of matter is cooled enough it can freeze.

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What happens when a solid is cooled?

• It will freeze

• It begins to melt

• It feels cool to the touch.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What happens to a liquid when the temperature decreases?

• It gets hot and becomes a solid

• It freezes and forms a solid

• It warms up and becomes a gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What would happen to this object if left in direct sunlight for too long?

• It will freeze

• It will melt

• Nothing would happen

Tags

NGSS.MS-PS1-4

What would happen to this object if placed in a freezer?

• It will turn into a gas.

• It will turn into a liquid.

• It will turn into a solid.

Tags

NGSS.MS-PS1-4

How could you stop ice cubs from melting?

• Place them outside in the sun.

• Turn the temperature up around them

• Decrease the temperature around them.

• Do nothing, and they will not melt.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

Why does the ice cube in the sun melt faster?

• Because of the water used to make the ice cube.

• Because of the heat from the sun.

• Because of the wind speed.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

How can a liquid change into a solid?

• By adding heat

• By melting the liquid

• By freezing the liquid

• A liquid cannot change into a solid

Tags

NGSS.MS-PS1-4