WorksheetsPhase Change Graphs Practice
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
What phase change is occurring at line segment B-C i?
a)
melting
b)
freezing
c)
boiling
d)
condensation
2.
As substance goes from D to E what happens to the distance between the particles?
a)
particles get closer together
b)
particles disappear
c)
particles get far apart
3.
At what temperature is this substance melting?
a)
50C
b)
100C
c)
0C
4.
How long does it take this substance to change from a liquid to a gas?
a)
1 minute
b)
2 minutes
c)
10 minutes
d)
15 minutes
5.
What state/phase is the object likely from points A to B?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
6.
What is happening to the particles in the substance between points A and B?
a)
Melting
b)
Freezing
c)
Speeding Up
d)
Slowing Down
7.
Is the substance gaining or losing energy?
a)
Gaining
b)
Losing
8.
Where on the graph are phase changes taking place?
a)
1
b)
2
c)
3
d)
4
e)
5
9.
Is the substance gaining or losing energy?
a)
Gaining
b)
Losing
10.
Between which points is the temperature of the substance remaining constant?
a)
A-B only.
b)
A-B, C-D, E-F
c)
B-C only.
d)
B-C, D-E
11.
The graph shows a cooling curve for an unknown substance. What is happening during segment DE?
a)
boiling
b)
condensation
c)
freezing
d)
melting
12.
What state/phase is the object likely from points D to E ?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
13.
What state/phase is the object likely from points C to D ?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
100 %
