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Motion Of Molecules Olympics
Test Description: Motion of Molecules Olymipics
Instructions: Answer all questions to get your test result.
1) To change Ice to water you have to add?
A
Salt
B
Pressure
C
Energy
D
Friction
2) A tall bulding gets taller on a hot day because?
A
A building would shrink on a hot day.
B
Buildings can not grow.
C
The molecules in the building contract
D
The molecules in the building expand.
3) If you put a balloon filled with air in your freezer.
A
The balloon will shrink and have less volume.
B
The balloon will shrink and increase in volume.
C
The balloon will get bigger and increase in volume.
D
The balloon will get bigger and decrease in volume.
4) Cracks in the sidwalk get smaller in the summer time because?
A
The space between the molecules of cement get smaller and the concrete contracts.
B
There is less energy in the concrete during the summer.
C
The molecules of cement slow down.
D
The space between the molecules of cement get bigger and the concrete expands.
5) If you increase the amount of energy in molecules.
A
The volume of the molecules decreases.
B
The space between the molecules decreases.
C
The space between the molecules increases.
D
It will become a solid.
6) A solid has?
A
No definate shape, but a definate volume.
B
Molecules that move around each other.
C
No definate shape or volume.
D
Definate Shape and Defiante Volume.
7) A liquid has?
A
Definate shape and volume
B
No definate shape, but a definate volume.
C
No definate shape or volume.
D
Molecules that dont move around each other.
8) A gas has?
A
No definate shape but a defniate volume.
B
Definate shape or volume.
C
a bad smell
D
No definate shape or volume.
9) The two types of solids are?
A
Clear and Cloudy
B
Hard and Soft
C
Crystaline and Amorphous
D
Dense and Light
10) Why does a hot air balloon fly?
A
Air inside the balloon is less dense then outside.
B
Air inside is under more pressure.
C
Air inside the balloon is more dense then outside.
D
The air molecules inside the balloon are moving slower than outside.
*select an answer for all questions
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