Term
As the temperature of a solid, liquid or gas increases then:
a)the potential energy of the molecules increases
b)the kinetic energy of the molecules increases
c)the nuclear energy of the molecules increases |
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Definition
the answer is:
B) the kinetic energy of the molecules increase eg. in a solid the molecules vibrate faster |
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Term
If the temperature of a gas is kept constant, but the volume of the gas is decreased what would happen?
A)the particles of gas will collide with the container wall less frequency hence pressure decrease.
B)the particles of gas will collide with the container wall more frequency hence pressure increase. |
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Definition
| the answer is A the particles of gas will collide with the container wall less frequency hence a pressure decrease. |
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Term
Properties of a gas.
A)gases are very easy to compress.
B)gases are very hard to compress.
C)gases are both easy and hard to compress. |
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Definition
The answer is:
A)gases are very easy to compress. |
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Term
When a gas is heated it:
A) expands and becomes less dense
B)expands and becomes denser |
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Definition
the answer is:
A) when a gas is heated it expands and the molecules move faster with makes them take up more space and becomes less dense. |
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Term
Sensitivity
a sensitive thermometer will have a __1___ range and a will be able to detect ___2___ changes in temperature.
A) 1.large, 2. large
B) 1.small, 2. small
C) 1.small, 2. large
D) 1.large, 2.small |
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Definition
the answer is:
B. a sensitive thermometer will have a small range and be able to detect small changes in temperature. |
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