Unit 0/1 Review

TRUE or FALSE: In order to change the state of matter, you need increase or decrease the energy (heat).

• TRUE

• FALSE

TRUE or FALSE: The particles in solids move around a lot and spread out.

• TRUE

• FALSE

TRUE or FALSE: Liquids have a fixed volume but not a fixed shape.

• TRUE

• FALSE

TRUE or FALSE: Gases have the least kinetic energy out all 3 states of matter.

• TRUE

• FALSE

Phase change from liquid to gas is called:

• Freezing

• Condensation

• Vaporization

• Sublimation

Phase change from liquid to solid is called:

• Melting

• Freezing

• Deposition

• Condensation

Phase change from gas to liquid is called:

• Melting

• Freezing

• Deposition

• Condensation

When changing a substance from liquid to solid, the energy has to...

• INCREASE

• DECREASE

Which of the following statements is NOT true about gases?

• Gases do not have fixed shape or volume

• Gas particles do not move much, but vibrate

• Gas particles have a lot of free space

• Unlike solids, gases can be compressed

Which of the following statements is true about phase changes?

• Solid turning into liquid is called freezing

• When ice melts, the kinetic energy is decreased

• Liquid turning into gas is called condensing

• When water boils, the kinetic energy is increased