Heating Curve

A substance's heating curve is shown in the graph.  What is its melting point?

• -100 C

• -60 C

• 20 C

• -20 C

Tags

NGSS.MS-PS1-4

What change occurs from E to C?

• sublimation

• freezing

• melting

• boiling

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What change occurs from C to D?

• condensation

• vaporization

• melting

• sublimation

Tags

NGSS.MS-PS1-4

What change occurs from F to E?

• sublimation

• deposition

• melting

• condensation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

As temperature rises ___________.

• an atom's kinetic energy decreases

• an atom's kinetic energy increases

• an atom's kinetic energy stays the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Between which points is the temperature of the substance remaining constant?

• A-B only

• A-B, C-D, and E-F

• B-C only

• B-C and D-E

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

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(s) of the heating curve would water be a liquid and a gas at the same time?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-4

The melting point of the sample is

• -60 ºC

• 20 ºC

• 60 ºC

• 100 ºC

Tags

NGSS.MS-PS1-4