Phase Changes and Phase Diagrams

The phase change from water vapor to liquid water is known as...

• evaporation

• precipitation

• condensation

• sublimation

Tags

NGSS.MS-ESS2-4

Which letter represents particles in solid form?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-4

Which letter represents where vaporization is occurring?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

If a substance is freezing, what is happening to it?

• It is changing from a liquid to a solid

• It is losing thermal energy to its surroundings

• the particles of the substance are making bonds

• all of the above

Tags

NGSS.MS-PS1-4

If a substance is melting, what is happening to it?

• It is changing from a solid to a liquid

• It is gaining thermal energy from its surroundings

• the particles of the substance are breaking bonds

• all of the above

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

What is happening at letter D?

• Evaporation of a liquid

• Condensation of a gas

• Boiling of a liquid

• The answer depends on if there is thermal energy being added or removed

Tags

NGSS.MS-PS1-4

If energy is being added at letter D, what is happening on the phase change graph?

• Evaporation of a liquid

• Condensation of a gas

• Boiling of a liquid

• Both A and B

Tags

NGSS.MS-PS1-4

A change of state from a liquid to a solid is called....

• Melting

• Freezing

• Evaporation

Tags

NGSS.MS-PS1-4

What is it called when a solid turns directly into a gas?

• Sublimation

• Condensation

• Liquid

Tags

NGSS.MS-PS1-4

All phase changes (changing states) requires energy to be added or taken away.

• True

• False

Tags

NGSS.MS-PS1-4