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This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Make sourdough bread...and learn some colonial history and modern science in the process!

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Here is an activity that your kids can make for Mother's Day, a garden pot filled with edible "flowers".

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

This project concerns activity happening millions of miles away, on the sun.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

This science fair project idea explores the different properties & interactions of sugar molecules.

This science fair project idea investigates food preference of birds.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Check out this cool and free middle school science fair project idea on how to make a solar oven.