This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Here's a simple and fun kindergarten or first grade gardening activity: grow a miniature container garden in a paper egg carton. Great for kinesthetic learners.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

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

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.