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# Density

## Ratio of the mass of an object to its volume.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
• Video

## Density - Overview

by CK-12 //basic
Overview
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5
• Video

## Density - Example 1

by CK-12 //basic
Recognizing the relationship between mass and volume (pictures/examples of two things of different shapes same mass and two things same shape different masses)
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• Video

## Density - Example 2

by CK-12 //basic
Calculating density given mass and volume
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• Video

## Density - Example 3

by CK-12 //basic
Calculating density given a sample
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• Video

## Density - Example 4

by CK-12 //basic
Predicting buoyancy of objects
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0
• Video

## Density - Example 5

by CK-12 //basic
Predicting buoyancy of objects with changes in density
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0