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# Density

Everything you ever wanted to know about density
by

## David Chizzonite

on 4 October 2016

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#### Transcript of Density

Density
The
ratio
of the
mass
to the
volume
of an
object or material
The number of molecules
contained within a given
amount of space.
More Molecules = Greater Density
Less Molecules = Lower Density
Molecules can vary in their
size & shape, affecting how
many can fit in a given space.
As temperature increases
volume ______________
As temperature increases
Density ______________
of steel float?
Less dense materials
will _____________
in a more dense fluid.
More dense materials
will _____________
in a less dense fluid.
Gravity
Buoyant
Force
Buoyant
Force
Buoyant
Force
Buoyant
Force
Buoyant
Force
Buoyant
Force
Buoyant
Force
Buoyant
Force
If Gravity < Buoyancy
Then the object will
_________________
If Gravity > Buoyancy
Then the object will
_________________
If Gravity = Buoyancy
Then the object will
_________________
How do you change
an ojbects buoyancy?
d=
m
v
m = v * d
v =
m
d
d
m
v
Then why do wooden
ships sink?
The Law Of
Conservation
Of Matter