This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

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.

What happens when colored beams of light mix? You might be surprised.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

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

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

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

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

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.