matter change Flashcards
1
Q
solid to liquid = ?
A
melting - liquifacation
2
Q
liquid to solid =?
A
solidfacation ( freezing )
3
Q
liquid to gas =?
A
evaporation - heating
4
Q
gas to liquid =?
A
condensation -cooling
5
Q
heat applied: SOLID -> LIQUID–> GAS
why does this happen?
A
the movement of the molecules increase and the forces between them weaken.
6
Q
cold applied: GAS-> LIQUID —> SOLID.
why does this happen?
A
the movement of the molecules decrease and the forces between them become stronger.
7
Q
anything takes space or mass…..
A
matter
8
Q
small particules in matter…..
A
atoms
9
Q
form of matter will very close particles…
A
solid
10
Q
matter with particles close together…..
A
liquid
11
Q
matter with particles far apart….
A
gas