Temperature - Time Graphs

Is the substance heating or cooling?

• Heating

• Cooling

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In which section is the substance only in a solid phase?

• A

• C

• D

• E

Tags

NGSS.MS-PS1-4

In which section is the substance only in a liquid phase?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-4

What is the temperature of condensation?

• 160 ºC

• 120 ºC

• 80 ºC

• 20 ºC

Tags

NGSS.MS-PS1-4

For how long is the substance freezing?

• 2 minutes

• 3 minutes

• 7 minutes

• 8 minutes

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In which section are the particles the fastest?

• A

• B

• C

• E

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

In which section are the bonds the strongest?

• A

• C

• D

• E

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

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

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

NGSS.MS-PS3-4