Density Flashcards
1
Q
What is density?
A
a measure of how much matter is in the object compared to how much space it takes up
2
Q
What is the unit of density?
A
kg/m3
3
Q
What is the density of water?
A
1g/cm3
4
Q
Why does pressure increase with depth?
A
Because the weight of water pushing down due to gravity
5
Q
What is pressure in gases caused by?
A
the repulsive force between particles (molecules/atoms)
6
Q
What is upthrust?
A
the upward movement of liquids