This is a pretty neat interactive online experiment to see how some solids become liquids!

http://www.bbc.co.uk/schools/scienceclips/ages/8_9/solid_liquids.shtml

 

One STEP further – Solids, Liquids, and Gases

Here is a neat Study Jams video to learn about Matter!

http://studyjams.scholastic.com/studyjams/jams/science/matter/solids-liquids-gases.htm

 

This site is that is a fun game learning about gases and how they change!  Solids, Liquids, and GASES

http://www.sciencekids.co.nz/gamesactivities/gases.html

 
This is a fun song on getting to know Solids, Liquids, and Gases!