More to explore:
Crystal Heart Science Experiment- simple! from busykidshappymom.org
Homemade GAK! So easy and fun! Each kid could make his/her own!
Easy science experiments for kids
DIY Crystal Geode Eggs ~ science experiment.
FIREWORKS!! Neat idea - Dip your pipe cleaner in the paint and stamp away! I told the kids to stamp in the same spot. After they lift the pipe cleaner up, turn it a little and stamp again. And repeat the process with a new color.
6 Kid Friendly Science Experiments ~ Housing A Forest