Changes States of Matter

At higher temperatures _________.

• particles in an object have less energy
• particles in an object move faster

Tags

NGSS.MS-PS1-4

A gas has _________.

• has a definite shape and volume

• fast-moving particles

Tags

NGSS.MS-PS1-4

The process of a solid changing directly into a gas is called

• condensation.

• evaporation.

• freezing.

• sublimation.

Tags

NGSS.MS-PS1-4

The temperature at which a substance changes from a liquid to a solid is the

• freezing point.

• saturation point.

• boiling point.

• condensation point.

Tags

NGSS.MS-PS1-4

What happens to the particles of a substance when it condenses?

• Particles speed up and spread out.

• Particles slow down and clump together.

• Particles stick together and stop moving.

• Particles vibrate as they lose energy.

Tags

NGSS.MS-PS1-4

For the diagram above, if the substance is a solid between point A and B, between which two points will the object exist as a liquid and a gas?

• B to C

• C to D

• D to E

• E to F

Tags

NGSS.MS-PS1-4

For the images above, which of the following line segments represent a phase change?

• A to B

• B to C

• C to D

• E to F

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In a solid, the particles

• vibrate in place
• slide past one another
• overcome the strong attraction
• move freely in any direction

In which state does matter have its own shape ?

• gas

• liquid

• solid

In which state does matter always fill all of the space of its container ?

• gas

• liquid

• solid