This science experiment has students test whether a snail moves faster on concrete or dirt.

Start your toy engines -- this is going to be a fast and friction-filled race!

Using a toy race car kids create a visual model of the Doppler Effect.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

This classic children's game demonstrates how sound travels through air vs. through a solid.

Test your friends to find out if you can replicate the placebo effect's incredible results.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.