Density.

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Presentation transcript:

Density

What is Density? There are 3 ways to describe density: Mass to Volume Ratio How much matter in an object compared to how much space the object takes up How tightly packed the atoms/molecules are

How do you measure Density? Step #1: Find the object’s mass Use a balance or scale Step #2: Find the object’s volume Use L x W x H or water displacement Step #3: Divide!

Density Mass Volume I Density

Mass is measured in grams Volume is measured in milliliters mass = grams volume milliliters Unit for density is g/ml

Sink or Float Objects that sink have greater density than the substance they are in Objects that float have less density than the substance they are in The density of water is 1 g/ml