Test whether plants can grow without sunlight and water.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

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

Explore if planting seeds in a certain direction will affect how fast it germinates.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Explore scientific concepts with this experiment that introduces kids to the scientific method!

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Make a backbone model to explore human anatomy and life science.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.