Experiments
Tests or trials to see different reactions
http://en.wikipedia.org/wiki/Experiment
http://dictionary.reference.com/browse/experiment
Ideas
http://www.sciencebob.com/experiments/index.php
http://www.scifun.org/homeexpts/homeexpts.html
http://www.sciencekids.co.nz/experiments.html
http://www.kids-science-experiments.com/
http://www.kids-science-experiments.com/cat_reaction.html
http://www.surfnetkids.com/science_experiments.htm
http://www.fatlion.com/science/
http://kids.nationalgeographic.com/kids/activities/funscience/
http://www.sciencemadesimple.net/
http://www.sciencemadesimple.com/projects.html
http://www.creativekidsathome.com/kids_science.html
http://pbskids.org/zoom/activities/sci/
Interactive
http://www.sciencekids.co.nz/gamesactivities.html