Grade 6 Science - Electridity;
trackstar- electricity- 290342
hangmanhttp://www.quia.com/hm/47090.html
blobz electricityhttp://www.andythelwell.com/blobz/
bbc circuit gamehttp://www.bbc.co.uk/schools/revisewise/science/materials/07c_fact.shtml

Grade 5 Science Simple Machines
1- Ed Heads http://www.edheads.org/activities/simple-machines/ -> "CLICK HERE TO START"
2- Ed Heads compound machines: http://www.edheads.org/activities/odd%5Fmachine/