Physical changes Flashcards
1
Q
What is a physical change?
A
A physical change is when we heat or cool a substance or dissolve it.
2
Q
What are the 3 states of matter?
A
Solid, Liquid and gas
3
Q
Solid: Does the particles move?
A
The particles don’t move in solid.
4
Q
Liquid: Does the particles move?
A
The particles move a little bit in Liquid.
5
Q
Gas: Does the particles move?
A
The Particles move a lot in gas.
6
Q
higher temperature = more energy =…….
A
Faster Particles
7
Q
lower temperature = less energy = ……
A
Slower particles
8
Q
Solid to Liquid
A
Melting
9
Q
Liquid to solid
A
Freezing
10
Q
Liquid to gas
A
Evaporation
11
Q
gas to Liquid
A
Condensation
12
Q
Solid to gas
A
Sublimation
