# Remember to Remember

Define Density
Density is the measure of mass per unit metre of volume
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What has the highest density and lowest density
Solids = Denset Gas = Lowest Density
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What is energy measure in ?
Energy is measured in Joules
3 of 12
What is the force like in a liquid
The particles have a weak force , particles move past each other freely
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Particles in a solid
Atoms are more compact together
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Particles in a gas
No force , they move past each other
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Biomas is Carbon nuetral
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1Kilowatts =
1000Watts
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1megawatts=
1000000Watts
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Elastic potential energy equation
Ee = 1/2 x spring constant x extension
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Speed equation
Speed = Distance divided by time
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...should be under the number one - for efficiency
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## Other cards in this set

### Card 2

#### Front

Solids = Denset Gas = Lowest Density

#### Back

What has the highest density and lowest density

### Card 3

#### Front

Energy is measured in Joules

### Card 4

#### Front

The particles have a weak force , particles move past each other freely

### Card 5

#### Front

Atoms are more compact together