Lesson 2: Energy and States of Matter

What happens to liquid batter when it is baked in the oven?

• It stays the same

• It turns into a solid

• It turns into a gas

• It turns into a liquid

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

What happens to the ice cream when it is left on the counter?

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A liquid is a material that has

• definite shape and definite volume

• definite volume but takes the shape of its container

• no definite shape or volume and can expand to fill a container of any size or shape

Tags

NGSS.MS-PS1-4

A gas is a material that has

• definite shape and volume

• definite volume but takes the shape of its container

• no definite shape or volume and can expand to fill a container of any shape or size

A solid is a material that has

• definite shape and volume

• definite volume but takes the shape of its container

• no definite shape or volume and can expand to fill a container of any size or shape

Freezing point is

• The temperature at which a material changes from a liquid to a gas.

• The temperature at which a material changes from a solid to a liquid.

• the temperature at which a material changes from a liquid to a solid.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Freezing point is

• The temperature at which a material changes from a liquid to a gas

• The temperature at which a material changes from a liquid to a solid.

• The temperature at which a material changes from a solid to a liquid.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Melting point is

• The temperature at which a material changes from a liquid to a solid.

• The temperature at which a material changes from a solid to a liquid.

• The temperature at which a material changes from a liquid to a gas.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Evaporation is

• When a gas cools and changes into a liquid.

• When a liquid is heated enough to change into a gas.

Tags

NGSS.MS-PS1-4

Condensation is

• When a gas cools and changes into a liquid.

• When a liquid is heated enough to change into a gas.

Tags

NGSS.MS-PS1-4