This science fair project idea identifies trees using a dichotomous key.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

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

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

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this fun activity, your child will create their very own solar oven to bake s'mores!

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Make "fossils" with your child to hide in the sandbox or at the park or the beach, to help your child explore his archaeological side.

Find out whether putting something on top of a plant will inhibit its growth.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

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.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

This tactile activity helps kindergarteners learn about texture.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!