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In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

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

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

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

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

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

This science fair project idea explores alcoholic fermentation at work by making your own soda.

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

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

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

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

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

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

Discover whether a metal will expand under hot water.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Start your toy engines -- this is going to be a fast and friction-filled race!

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

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

This biodiversity project examines the biodiversity in your own backyard.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Take a dive into the candy jar with this yummy science experiment.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

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