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Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

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

This project examines various algorithms to determine the ideal algorithm for a strategy game.

Give your science savvy kindergarten a lesson in plant science with this fun carnation experiment.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

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

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.

Discover which absorbent material is the best; the Shamwow, paper towels, or cotton towels.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.