Explain changes of state between solids and liquids and between liquids and gases?

Answer 1

Solid to liquid: Melting (like an ice cube).
Liquid to gas: Evaporation (like the water cycle)
Liquid to Solid: Freezing (like putting a cup of water in a freezer)
Soild to gas: Boiling

Answer 2

Thanks

Answer 3

No problem. :]