(Year 7) This activity from the Learning Federation asks you to sort different objects into solids, liquids and gases.
What the world is made of (Sorting matter): http://www.eduweb.vic.gov.au/dlrcontent/4c33323530/index.html
Learn about different ways to separate mixtures using these on-line activities:
Making water drinkable: http://www.eduweb.vic.gov.au/dlrcontent/4c33313938/index.html
Making water drinkable (Mixtures): http://www.eduweb.vic.gov.au/dlrcontent/4c33313030/index.html
Making water drinkable (Water treatment): http://www.eduweb.vic.gov.au/dlrcontent/4c33313033/index.html