Thermal Energy Latent Heat

Specific latent heat is the amount of energy required to change the state of 1 kg of a substance without changing its ___________.

Tags

NGSS.MS-PS1-4

Select the state changes that latent heat of fusion applies to.

• melting

• evaporating

• freezing

• condensing

• sublimation

Tags

NGSS.MS-PS1-4

Select the state changes that latent heat of vaporisation applies to.

• melting

• evaporating

• freezing

• condensing

• sublimation

Tags

NGSS.MS-PS1-4

Select the correct equations.

• thermal energy = specific latent heat / mass

• thermal energy = specific latent heat x mass

• mass = specific latent heat / thermal energy

• specific latent heat = thermal energy / mass

• mass = specific latent heat x thermal energy

Tags

NGSS.MS-PS3-3

The diagram shows a heating curve for ice. Which line represents the ice melting?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Why are lines B and D flat?

• The ice is melting

• The ice is freezing

• All of the thermal energy is used to break the bonds

• They stopped the stopwatch

• They stopped heating the ice.

Tags

NGSS.MS-PS1-4

The diagram shows a heating curve for ice. Which line represents the ice in a liquid state (water)?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-4

The diagram shows a cooling curve for ice. Which line represents the ice in a liquid state (water)?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-4

The diagram shows a cooling curve for ice. Which line represents the ice freezing?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The diagram shows a cooling curve for ice. Which line represents the ice in a solid form?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4