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Physics

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Celia Lemke

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Cards in this guide (9)
A helium balloon rises in the air because it is less dense than oxygen

Yes, helium is less dense than the air.

Properties of matter are typically broken into two categories physical and

chemical

What factors determines the strength of the frictional force between two surfaces

how hard the surfaces push to gether the types of surfaces involved

Do both gases and exert a buoyant force

Yes. Gases and liquids both exert a buoyant force.

If an object floats the volume of the displaced water is equal to the volume of the whole object

False - Apex

To calculate the density of a substance what two properties do you need to know

Mass, volume~Apex:)

Liquids that do not mix form into layers when they have different densities true or false

true

The of any amount of a solid liquid or gas relative to its volume is called it's density

mass

Which of the following has the lowest density

air

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