1
Q
Particles in a solid have what positions but they can what?
A
Particles in a solid had fixed positions but they can vibrate
2
Q
Particles in a liquid can what over each other but they cannot what apart?
A
Particles in a liquid can move over each other but they cannot move apart
3
Q
Particles in a gas or what to move in any what?
A
Particles in a gas are free to move in any direction
4
Q
When a material changes state there is no change in what?
A
Mass
5
Q
When a material changes state there is a change in what?
A
There is a change in volume
6
Q
Depending on how much internal energy the substance has the substance will be either a what?
A
A solid a liquid or a gas
Physics year 9
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