QUIZ Phase Change Graph

The melting point of the sample is

• -60 ºC

• 20 ºC

• 60 ºC

• 100 ºC

Tags

NGSS.MS-PS1-4

Which letter indicates where water is in both the solid and liquid phase at the same time?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-4

A measure of the average kinetic energy of the particles in an object is called

• Heat

• Temperature

• Kinetic energy

• Latent heat

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In which region(s) does temperature increase?

• Region C only

• Regions B and D

• Regions A, C, and E

• Regions A and B

Tags

NGSS.MS-PS1-4

In which region is the added energy being used to overcome attraction forces?

• A

• B

• C

• E

Tags

NGSS.MS-PS1-4

Which section of the graph represents melting.

• A

• B

• C

• E

Tags

NGSS.MS-PS1-4

In which section of the graph do the particles vibrate in a fixed position?

• A

• B

• C

• E

Tags

NGSS.MS-PS1-4

Section D represents

• latent heat

• melting

• a change in kinetic energy

• gas phase

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In a heating curve, diagonal lines indicate temperature is __________, while flat lines indicate temperature is __________.

• Constant, changing

• Changing, constant

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NaCl was heated starting at an initial temperature of 0°C. The heating curve is shown in the picture. What is the melting point of this substance?

• 0°C

• 801°C

• 1000°C

• 1465°C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4