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Phase Change Review 2
Test Description: Have fun
Instructions: Answer all questions to get your test result.
1) A ball can fit through a ring while it is cool. After it has been heated, what will happen?
A
The ball expanded
B
The ring contracted
C
The ball contracted
D
The ring expanded
2) Water droplets form on the outside of a pitcher of water. What is this phase change called?
A
evaporation
B
freezing
C
melting
D
condensation
3) Describe the phase change that occurs during condensation
A
solid to gas
B
gas to liquid
C
liquid to gas
D
liquid to solid
4) What is happening to heat when condensation occurs?
A
heat is both released and absorbed
B
heat is released
C
heat is neither released nor absorbed
D
heat is absorbed
5) How do you know it a substance is being cooled on a graph
A
line goes up and down
B
line goes up
C
line stays flat
D
line goes down
6) What is the freezing point of water in celsius?
A
32
B
0
C
100
D
212
7) What is the boiling point of water?
A
100
B
32
C
0
D
212
8) What does a graph look like when a substance goes through a phase change?
A
line going up and down
B
line going up
C
line is flat
D
line going down
9) How would you describe the motion of molecules in a gas?
A
very fast
B
fast
C
very slow
D
slow
10) How would you describe the spacing of the molecules of a solid?
A
spaced very far apart
B
very close
C
slightly spaced
D
none of the above
*select an answer for all questions
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