We have been looking at Solids, Liquids and Gasses, try these games to test what you know:

http://www.catie.org.uk/testing_time_index.html

http://www.bbc.co.uk/schools/scienceclips/ages/9_10/changing_state_fs.shtml

http://www.bbc.co.uk/schools/scienceclips/ages/9_10/gases_fs.shtml

http://www.bbc.co.uk/bitesize/ks2/science/materials/

http://www.channel4learning.com/apps26/learning/microsites/E/essentials/science/material/index.jsp..

http://www.bgfl.org/bgfl/custom/resources_ftp/client_ftp/ks3/science/changing_matter/index.htm