Unit 3: Thermal Energy Question Preview (ID: 55597)
Unit 3: Thermal Energy.
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In hot things, molecules move.....?
a) quickly
b) slowly
c)
d)
In cold things, molecules move....?
a) slowly
b) quickly
c)
d)
Kinetic Energy is...
a) the energy something has when it is moving
b) the energy something has before it is moving
c)
d)
Equilibrium is...
a) when two systems are in a balanced state, and are at the same temperature
b) when two systems both have temperatures and molecules
c)
d)
Molecules are...
a) two or more atoms conjoined in a particular way
b) cells and bacteria in the air
c)
d)
The name of this unit is...
a) Thermal Energy
b) Temperature and Stuff
c)
d)
Thermal Energy and Temperature are the same thing
a) False
b) True
c)
d)
If you had two things that were the same temperature, but they were different sizes. Which size would be able to absorb more energy during energy transfer??
a) The smaller sized thing. Less molecules means that the energy is spread out across less space.
b) The bigger sized thing, more molecules will absorb more energy.
c)
d)
What happens to the molecules inside of a thing if the temperature is increasing?
a) they speed up
b) they slow down
c)
d)
What happens to the molecules inside of a thing if the temperature is decreasing?
a) they slow down
b) they speed up
c)
d)
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