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

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

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

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

In this fun experiment, we'll find out how color affects heat absorption!

In this activity, your child will be challenged to make a tower using paper cups.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

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

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

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.

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

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

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

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

This project investigates the affect of storage temperature on microwave popcorn.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.