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Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Gather the neighborhood children together and practice graphing with this backyard tournament!

Get your child excited about measuring with this fun and easy household measurements activity.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Money is a difficult concept to grasp. Help your kid get the hang of it with this pocket change triple Venn diagram activity.

Do you think heat can affect a plant's growth rate?

Do this fun activity that uses stickers to help your kindergartener with counting, basic addition, and one-to-one correspondence.

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

This activity will not only teach your child important math concepts regarding money and value, but also how to hunt for bargains!

Check out this dice game perfect for teaching your savvy kid the fundamentals of probability.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Examine the connection between temperature and chemiluminescence.

Check out this simple version of a pairs game that's played all over the world. It's a great way to practice estimating and predicting mathematical outcomes.

This science fair project idea investigates food preference of birds.

Determine whether the relationship between a personâs armspan and height are genetic.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Boost shape recognition with this matching game where your child will pair up sticks to create simple shapes.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

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.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

Build this game, and give your kid some hands-on practice ordering numbers. Soon your first grade kid will be Master of the number line!

Give your smart second grader a rich challenge with this activity that combines graphing practice with money!

Introduce your child to science with something they see everyday--their shadow!