Wow your kids with these cool projects.
While you wait for the stars to appear on a summer night, play catch with this homemade Glow-in-the-Dark Comet.
This contraption demonstrates what physicists call the Bernoulli effect, which also explains how the wings of airplanes provide lift. But kids will just call the hovering ball amazing.
Comet sightings are rare, but this homemade toy will make them regular events in your neighborhood.
These glow-in-the-dark T-shirts may be the ultimate evening wear.
For a freakily fun (but not edible!) centerpiece, suspend plastic toys -- critters, doll parts, and any other weird bits and pieces you've got lying around -- in clear gelatin.
Experience the optic phenomenon of the camera obscura (Latin for "dark chamber") with this homemade viewer that turns everything you look at topsy-turvy.
This whimsical glitter globe is a colorful toy that doubles as a science experiment.
Crafted from cardboard, this nifty vessel runs on the same principles as the hovercrafts that ply the English Channel, and it has a great physics lesson stowed away in its simple design.
Look through the private window of this waterscope to find out what's under the water's surface.
Take a closer look at water creatures with this handy homemade tank.
Explore some of the changes in the weather with a homemade barometer.
Find out what kinds of insects make their homes in trees and shrubs by shaking them loose onto this simple screen.