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Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

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

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

This science fair project examines how seeds hitchhike on animals and clothing.

Draw your own beautiful mandala with this easy technique that ensures symmetrical results every time!

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Your child's journal should be as unique as she is. Help her transform a simple notebook into a personalized piece of art.

Add some artsy fun to your child's next reading adventure by letting them draw the characters.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

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

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Help your fourth grader affirm her place in the family and in the march of recent history with this family album project.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Got a jousting knight at home? Try this project and help him make his very own shield.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

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

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This science fair project teaches students the differences between fruits and vegetables.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

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

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

This Kool-Aid tie-dye activity is a kid-friendly craft that never gets old. Learn how to make tie-dye shirts using assorted Kool-Aid flavors here.