Science Matters

Front

What is the process called when a liquid turns into a solid?

Back

Freezing.

Tags

NGSS.MS-PS1-4

Front

What is the process called when a liquid turns into a gas?

Back

Vaporization.

Tags

NGSS.MS-PS1-4

Front

What is the effect of heat on the state of water?

Back

Heat causes water to boil and turn into steam (gas).

Tags

NGSS.MS-PS1-4

Front

Describe the arrangement of molecules in a solid.

Back

Molecules in a solid are very close together and hardly moving.

Front

Describe the arrangement of molecules in a gas.

Back

Molecules in a gas are very far apart and moving fast.

Front

What is the temperature at which water freezes?

Back

0 degrees Celsius (32 degrees Fahrenheit).

Front

What is the temperature at which water boils?

Back

100 degrees Celsius (212 degrees Fahrenheit).

Tags

NGSS.MS-PS3-4

Front

What happens to the energy of molecules as a substance changes from solid to liquid?

Back

The energy of the molecules increases, allowing them to move more freely.

Tags

NGSS.MS-PS1-4

Front

What happens to the energy of molecules as a substance changes from liquid to gas?

Back

The energy of the molecules increases significantly, allowing them to move rapidly and spread apart.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Front

What is condensation?

Back

The process by which a gas turns into a liquid.

Tags

NGSS.MS-PS1-4