Density & flotation Flashcards
1
Q
density formula
A
density = mass / volume
2
Q
triangle of mass density volume
A
M
D V
3
Q
units for density
A
g cm-3
4
Q
Flotation
A
Solid floats in a liquid if it is less dense
Liquid float on top of another liquid if it is less dense
5
Q
Examples of flotation
A
cork floats in paraffin oil
ice floats in water
paraffin oil will float on top of water
gold sinks in water
ice sinks in paraffin oil
6
Q
Why ships float on water
A
Ship is hollow and filled with air.
Therefore, it is less dense than water.
7
Q
Density
A
How much mass is packed in a particular volume