More to explore:
How to make your own Rock Candy! An Edible Science Experiment :)
cool science experiment
5 Science Experiments for Halloween
fun! too cute
Science Experiments - Homemade Lava Lamp!
rain cloud science experiment.
Colored corn and other fun kid stuff
Science project teaching about salt and its effect on ice
This would be fun to make
three parts oil, one part water, 4 drops of food coloring, in a jar with a tight fitting lid, then add an alka seltzer tablet, cover and watch!