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What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

This science fair project idea determines what household items are good conductors of electricity.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

The goal of this project is to create an exciting topographical map out of dough.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

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

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

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

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

This science fair project idea investigates how the shape of an object affects drag.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!