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This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Find out whether putting something on top of a plant will inhibit its growth.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.

Find out which type of sponge holds the most water.

Discover whether people can distinguish what a person looks like just by listening to their voice.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

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

In this challenge, students are tasked with creating a car that can be powered by a balloon!

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Find out if most people can distinguish the difference between tones on different instruments.

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

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

Use the textures found in nature to create your own stationery! This fun, outdoor activity will no doubt inspire your child's creative side.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

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!

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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!

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

This science fair project idea explores if people with cool skin tones prefer cool colors and people with warm skin tones prefer warm colors.

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.