Science Fair Project Ideas - TinkerLab:
Make Heron's Fountain
Disappearing Egg Activity for Kids- This egg experiment is a great letter "E" activity for preschoolers and fun science activity for older kids!
5 Minute Science Experiments for Kids and Busy Moms on Frugal Coupon Living. Geometric Bubbles, Glow in the Dark Volcanoes, Replicate Ocean Currents and more! Homeschooling Science Ideas.
Robotics Projects for Kids - Step-by-step tutorials for making fun, easy, inexpensive "robots" via @researchparent