With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Help your child make a beautiful homemade sandcastle that will last!

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

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.

Make edible amber fossils with your second grader to explore the fascinating world of science!

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

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

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.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

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

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

This science fair project idea experiments with spinning color wheels and optical illusions.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

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 activity your child will create their very own marble maze!

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.

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

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