"What is Density?"
if an objects density is (LESS/ MORE) than 1 g/ml it will float in water.
If an objects density is LESS than 1 g/ml it will float in water
What 2 units do you need to calculate Volumetric-mass density?
Mass and Volume
Which has a greater density 100kg of bricks or 100 kg of feathers?
both have the same mass, but the pile of feathers has a much greater volume
Volumetric-mass density formula
Density = mass / volume or D=m/v
which has a greater density 100 kg of bricks or100 kg of feathers?
100 kg of bricks
A good way to think about population density is...
"How crowded is it?"
What is the density of water?
1 g/ml
Hong Kong
High population density - a lot of people are there
If a block is .1 g/ml, what will happen to the block?
It is 10% of the density of water - 10% will sink, 90% of the block will float.
If a block is .9 g/ml, what will happen to the block?
It is 90% the density of water - 90% of the block will sink, 10% of the block will float
if there is a block that is .5 g/ml, what will happen to the block?
It is half the density of water so half of the block will sink and half of the block will float.
What is the SI unit used for density?
Liquids (g/ml)
Density
Measure of amount of something as compared to the amount of space it occupies
What is it called if an object's density is equal to 1 g/ml it will neither sink nor float?
Neutrally buoyant
What SI unit is used for density?
Solids (g/cm3)
The (MORE/LESS) dense the object, the higher it will float.
The LESS dense the object, the higher it will float.
Volumetric-Mass Density
The amount of matter in a given volume
if something is less dense than air (.0013 g/ml) it will float in air
air is a fluid, a fluid can "flow"
if an object is (LESS / MORE) dense than the fluid it is in the object will float
if an object is LESS dense than the fluid it is in the object will float
If an objects density is (GREATER/LESS) than 1 g/ml it will sink in water
if an objects density is GREATER than 1 g/ml it will sink in water
Which is more dense? an empty oil tanker or a tanker full with oil?
the full tanker has more density. The full tanker has more mass than the empty tanker.
