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The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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

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.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Science fair project that examines condensation and the conditions needed in order for dew to form.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This science fair project idea examines which type of insulation holds in the most heat.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

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

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

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

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

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

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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Start your toy engines -- this is going to be a fast and friction-filled race!

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Is it a square or a circle? See if you can trick your friends with this zany science project!

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?

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.