In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Learn how different types of soil affect how animal tracks form in this experiment!

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

In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

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

In this project children practice the scientific method while playing with puffy paint.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This science fair project teaches students about wilting and browning of salad greens.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

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

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.