This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

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.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Cleaning can be a chore, but not with this sudsy experiment!

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

This science fair project idea examines which type of insulation holds in the most heat.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science fair project idea investigates the hardness property of minerals.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

In this project students experiment with making music using only glasses of water.

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 popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This project examines whether people's taste perception is influenced by what they see.

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

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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.

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

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

This science fair project idea explores substances that cause a bubble to last longer.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!