In this CD hovercraft science project, students will construct their own DIY hovercraft.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

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

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

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

This science fair project idea provides evidence that air is everywhere and takes up space.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

This science fair project idea explores whether color affects a person's emotional state.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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.

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.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

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

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.