if i have a wooden block that has a mass of 20g and a volume of 26cm 3. what is its density? what...

Density Question• If I have a wooden block that

has a mass of 20g and a volume of 26cm3. What is its density? What happens to the density of that block of wood if you cut it in half?

1

WOODBLOCK

WOOD BLOCK

Mass = 20gVolume 26cm3

Density = 0.77g/cm3

WOODBLOCK

TWO WOOD BLOCKS

WOODBLOCK

Cut in half

2

WOODBLOCK

WOOD BLOCK

Mass = 20gVolume 26cm3

Density = 0.77g/cm3

WOODBLOCK

TWO WOOD BLOCKS

WOODBLOCK

Mass = ???Volume ?????

Mass = ???Volume ?????

Cut in half

3

WOODBLOCK

WOOD BLOCK

Mass = 20gVolume 26cm3

Density = 0.77g/cm3

WOODBLOCK

TWO WOOD BLOCKS

WOODBLOCK

Mass = 10gVolume 13cm3

Mass = 10gVolume 13cm3

Cut in half

4

WOODBLOCK

WOOD BLOCK

Mass = 20gVolume 26cm3

Density = 0.77g/cm3

WOODBLOCK

TWO WOOD BLOCKS

WOODBLOCK

Mass = 10gVolume 13cm3

Mass = 10gVolume 13cm3

Cut in half

Density = 0.77g/cm3 Density = 0.77g/cm3

5

WOODBLOCK

WOOD BLOCK

Mass = 20gVolume 26cm3

Density = 0.77g/cm3

WOODBLOCK

TWO WOOD BLOCKS

WOODBLOCK

Mass = 10gVolume 13cm3

Mass = 10gVolume 13cm3

Cut in half

Density = 0.77g/cm3 Density = 0.77g/cm3

What Happens if I cut one of the small wooden blocks in half again?

6

WOODBLOCK

WOOD BLOCK

Mass = 20gVolume 26cm3

Density = 0.77g/cm3

WOODBLOCK

TWO WOOD BLOCKS

WOODBLOCK

Mass = 10gVolume 13cm3

Mass = 10gVolume 13cm3

Cut in half

Density = 0.77g/cm3 Density = 0.77g/cm3

What Happens if I cut one of the small wooden blocks in half again?

WOODBLOCK

WOODBLOCK

Mass = ???Volume = ???Density = ???

7

• Density does NOT depend on the amount of the substance you have.

• Regardless of whether you have a small piece of gold or a giant truck full of it, the density of gold will be 19.3g/cm3