physics density

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Last updated 11:52 AM on 10/4/26
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12 Terms

1
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What’s the formula of density?

Mass/volume

2
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What’s the unit of density

g/cm3 or kg/m3

3
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Why does an object float on water?

Because it’s less dense than water

4
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Why does an object sink in water?

Because it is denser than water

5
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Why do hot Air balloons rise?

Hot air is less dense than cool air

6
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Which liquid has the highest density?

Mercury

7
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Define density

It’s how much mass is packed into a certain volume

8
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What is the unit of mass?

g or kg

9
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What is the unit of volume

cm3 or m3

10
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What’s the formula of mass

Density x volume

11
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What’s the formula of volume

Mass/density

12
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What is water’s density?

1g/cm3