"Teaching Mechanics with simple machines"
Refraction | Flickr - Photo Sharing!... I know this is refraction but great idea for a color mixing lesson! I would use plastic containers with lids.
DIY Magic Bottles - kids craft ==
Fairy garden terrarium
This Mystery Science body lesson is terrific! Watching the Cows eye! They also loved the beginning story!
Did this with Benji this evening. Lil dude was amazed that no all things are equal.
Hydraulic robot made of cardboard and scotch duct tape. Uses aquarium tubing and syringes.
Magnetic Field Science Experiment for Kids - using iron filings.