Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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

This science fair project idea determines if the color of light affects the growth of plants.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

This science fair project idea explores the egg's thin membrane.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Examine the effect of pressure on carbonation in soda.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

An home science experiment for older students that teaches about the science behind heat.

This science fair project idea investigates the difference in reaction times between boys and girls.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Have your child kick off their summer vacation by making a miniature water slide!

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.