Phase Change 6 701

Front

What are the three phases of water?

Back

Solid (ice), Liquid (water), Gas (water vapor).

Tags

NGSS.MS-PS1-4

Front

What happens to water molecules when ice melts?

Back

The molecules start moving around each other instead of just vibrating in place.

Tags

NGSS.MS-PS1-4

Front

What is kinetic energy?

Back

The energy that an object has due to its motion.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Front

How does temperature affect the movement of molecules?

Back

As temperature increases, molecules move faster.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is a phase change?

Back

A transition of a substance from one state of matter to another, such as solid to liquid or liquid to gas.

Tags

NGSS.MS-PS1-4

Front

What occurs during condensation?

Back

Gas molecules lose energy and come together to form a liquid.

Tags

NGSS.MS-PS1-4

Front

What is evaporation?

Back

The process where liquid molecules gain energy and change into gas.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is the difference between a solid and a liquid in terms of molecular movement?

Back

In a solid, molecules vibrate in place; in a liquid, they move around each other.

Tags

NGSS.MS-PS1-4

Front

What does it mean for a substance to have a weaker molecular attraction?

Back

Molecules can move away from each other more easily, allowing for phase changes.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What happens to the energy of molecules during freezing?

Back

Molecules lose energy and move closer together, forming a solid.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5