Expansion & Contraction Flashcards
1
Q
Solid or Liquid
A
Fixed Volume
2
Q
Gas
A
Indefinite Volume
3
Q
Solids have a _____ amount of density
A
large
4
Q
Liquids have a _____ amount of density
A
medium
5
Q
Gasses have a _____ amount of density
A
little
6
Q
Expansion
A
+V -D
7
Q
Contraction
A
-V +D
8
Q
Expansion happens when
A
Heat is added
9
Q
Contraction happens when
A
Heat is removed
10
Q
Exception to heat rule in expansion and contraction
A
Water
11
Q
How water expands when heat is removed
A
Crystallization
12
Q
How hot air balloons rise
A
Burner makes hotter air rises against colder air
13
Q
Why does the hotter air rise
A
It expands making it less dense
