Phase Change and Energy

What is the heat of fusion?

• The energy required to vaporize a liquid

• The energy required to melt a solid

• The energy released during condensation

• The energy absorbed during sublimation

Tags

NGSS.MS-PS1-4

What is vaporization?

• The process of a solid turning into a gas

• The process of a liquid turning into a gas

• The process of a gas turning into a liquid

• The process of a liquid turning into a solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the heat of vaporization?

• The energy required to melt a solid

• The energy required to vaporize a liquid

• The energy released during freezing

• The energy absorbed during deposition

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is condensation?

• The process of a gas turning into a liquid

• The process of a liquid turning into a gas

• The process of a solid turning into a gas

• The process of a liquid turning into a solid

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

What is sublimation?

• The process of a solid turning into a liquid

• The process of a liquid turning into a gas

• The process of a solid turning directly into a gas

• The process of a gas turning into a liquid

Tags

NGSS.MS-PS1-4

What is deposition?

• The process of a gas turning into a liquid

• The process of a liquid turning into a solid

• The process of a gas turning directly into a solid

• The process of a solid turning into a gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Compare the melting and freezing of water in terms of temperature.

• Melting occurs at a higher temperature than freezing

• Melting and freezing occur at the same temperature

• Freezing occurs at a higher temperature than melting

• Melting occurs at a lower temperature than freezing

Tags

NGSS.MS-PS1-4

How is energy involved in the freezing process?

• Energy is absorbed

• Energy is released

• No energy change occurs

• Energy is both absorbed and released

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If you transfer energy into two substances, which will EVAPORATE faster?

• The one with WEAK attraction.

• The one with STRONG attraction.

• Neither will evaporate.

• Both will evaporate.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Water molecules were moving IN PLACE and then after energy was transferred into it they were moving AROUND EACH OTHER. What phase change occured?

• Freezing

• Melting

• Evaporation

• Condensation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5