Check out the websites below for help with your homework.

http://www.bbc.co.uk/schools/gcsebitesize/
(GCSE revision)

http://www.bbc.co.uk/schools/ks3bitesize/
(key stage 3)

http://www.bbc.co.uk/schools/revisewise/
(4 –11yrs)

http://www.bbc.co.uk/schools/starship/
(key stage 1)

www.sparkisland.com

www.learn.co.uk