In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

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

In this science fair project, young children discover what happens when two fluids that have different densities get together.

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

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

This project examines whether people's taste perception is influenced by what they see.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Using a toy race car kids create a visual model of the Doppler Effect.

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

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This project determines what category of person is most likely to be ticklish.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Test whether plants can grow without sunlight and water.

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

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.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.