In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project examines how seeds hitchhike on animals and clothing.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Create a bee garden to help shelter bees in your area.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

This science fair project investigates why the number of visible stars changes from place to place.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

This science fair project idea examines which type of insulation holds in the most heat.

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

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

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

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This science fair project idea produces varying pitches of sound.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.