This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This science fair project investigates why the number of visible stars changes from place to place.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.