Heating Cooling Curves

In which region(s) does temperature increase?

• Region 1, 3, & 5

• Region 2 & 4

• Region 1 only

• Region 1 & 2

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In which region(s) of the graph does a phase change occur?

• Region 1, 3, & 5

• Region 2 & 4

• Region 1 only

• Region 1 & 2

Tags

NGSS.MS-PS1-4

In which region(s) of the graph would the substance only be in one phase?

• Region 1, 3, & 5

• Region 2 & 4

• Region 1 only

• Region 1 & 2

Tags

NGSS.MS-PS1-4

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

• A-B only. 

• A-B, C-D, E-F

• B-C only. 

• B-C, D-E

Tags

NGSS.MS-PS1-4

Label the Heat Curve with the correct phases.
S = Solid only

L = Liquid only

G = Gas only

S + L = Solid and Liquid

L + G = Liquid and Solid

b

a

c

d

e

S

L

G

S + L

L + G

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A student performs an experiment by adding heat to a beaker of ice and measuring the temperature at regular intervals. A graph of the resulting data is shown. Move the descriptions into the chart to correctly match the labels in the graph.

b

c

d

e

a

water vapor; temperature increasing

solid ice; temperature increasing

liquid water; boiling

liquid water; temperature increasing

solid ice; melting

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Anika, Samuel, and Henry were conducting an experiment in their chemistry class. They recorded the heating curve of a substance as shown in the graph. Based on their observations, what is the boiling point of the substance?

• 100 C

• 60 C

• 80 C

• 20 C

Tags

NGSS.MS-PS1-4

In which region(s) does temperature increase? (a)  

• Region C only

• Regions B and D

• Regions A, C, and E

• Regions A and B

Tags

NGSS.MS-PS1-4

Where is heat going in ( endothermic) ?

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Between which points is the substance changing its state of matter?

• A-B only. 

• A-B, C-D, E-F

• B-C only. 

• B-C, D-E

Tags

NGSS.MS-PS1-4