Which do you think would have the greater volume and mass? Why?

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Which do you think would have the greater volume and mass? Why? 1 kg of feathers 1 kg of rock www.makemegenius.com Free Science Videos for Kids

Transcript of Which do you think would have the greater volume and mass? Why?

Page 1: Which do you think would have the greater volume and mass? Why?
Page 2: Which do you think would have the greater volume and mass? Why?

Which do you think would have the greater volume and

mass?Why?• 1 kg of feathers • 1 kg of rock

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Page 3: Which do you think would have the greater volume and mass? Why?

Density is defined as mass per unit volume. • It is a measure of how tightly packed and how heavy the

molecules are in an object. • Density is the amount of matter within a certain

volume.

Tight Loose

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Page 4: Which do you think would have the greater volume and mass? Why?

To find the Density1- Find the mass of the

object

2- Find the volume of the object

3- Divide Density = Mass

Volume

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Page 5: Which do you think would have the greater volume and mass? Why?

Units & Formula for Density

Formula: If M = mass V= volume D = density

M = D x V V = M / D D = M / V

Unit : g/cm3 or g/ml

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Page 6: Which do you think would have the greater volume and mass? Why?

1) Find the mass of the object2) Find the volume of the object3) Divide : Density = Mass -

Volume

To find density:

Set up your density problems like this:

Given: Mass = 35 grams Unknown: Density (g/ cm3) Volume = 7 cm3 Formula: D = M / V Solution: D = 35g/7 cm3

D = 5 g/cm3

Ex. If the mass of an object is 35 grams and it takes up 7 cm3 of space, calculate the density.

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Page 7: Which do you think would have the greater volume and mass? Why?

Proof that water and ice have different densities

That is why Ice floats above the water…..as molecules in ice are far apart than water .Water expands when frozen into ice

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Page 8: Which do you think would have the greater volume and mass? Why?

THANK YOU!


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