Changes of state

Cards (10)

Define melting point? 
The temperature at which the particles have enough energy in a solid to break free from their positions
Liquid to gas?
Evaporation
Solid to gas?
Sublimation
Liquid to solid?
Freezing
Solid to liquid? 
Melting
Gas to liquid?
Condensation
Liquid to solid?
Freezing
What is a chemical change?
When bonds between atoms are broken and the atoms change places to form different substances
Is it easy to reverse a chemical change? 
No
Is it easy to reverse physical changes?
Yes