This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Help your child celebrate the summer and the sun by making a sandy seascape.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

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

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

In this fun activity, your child will create their very own solar oven to bake s'mores!