C1.1 Flashcards
1
Q
Particle
A
Tiny bit of matter
2
Q
Solid to liquid
A
Melting
3
Q
Liquid to gas
A
Evaporation
4
Q
Gas to liquid
A
Condensation
5
Q
Liquid to solid
A
Freezing
6
Q
Solid to gas
A
Sublimation
7
Q
Physical changes
A
The arrangement of the particles change, but the particles stay the same e.g. liquid to gas
8
Q
Chemical changes
A
The particles change
9
Q
Limitations to the particle model
A
-Doesn’t show the movement of particles
-Size and shape may be different
-Particles are 3-D not 2-D 
10
Q
Describe a solids particle arrangement
A
-All touching
-Very close together
-Regular arrangement
-Vibrate in one place 
11
Q
Describe a liquids particle arrangement
A
-Most touching
-Close together
-Random arrangement
- Flow over each other 
12
Q
Describe a gasses particle arrangement
A
- Not touching
-Far apart
-Random arrangement - Bounce off each other 
