This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Will people still feel hungry once they eliminate grains from their meal? Find out in this science fair project idea!

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

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

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

This project examines whether more expensive golf balls translate into better results on the golf course.

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This experiment explores the most common colors that appear among a sample of crossbred guppies.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

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

In this art project, budding entomologists will create a larger than life, moveable puppet version of a praying mantis.

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.