Physics Flashcards
1
Q
The particle model can be used to…
A
explain the different states of matter.
2
Q
What can be used to explain differences in density?
A
The particle model
3
Q
The density of a material is defined by the equation:
A
density = mass X volume
4
Q
density equation in symbol form
A
ρ = m V
5
Q
A solid…to become a liquid.
A
melts
6
Q
A liquid…to become a gas.
A
boils
7
Q
A liquid…to become a solid.
A
freezes
8
Q
A solid…to become a gas.
A
sublimates
9
Q
A gas…to become a solid.
A
condenses
10
Q
Changes of state are…
A
physical changes.
differ from chemical changes because:
can be reversed
go back to normal if reversed
