In this science fair project you will make a model of a cell membrane using very simple material.

Invigorate your fourth grader's mind by helping him turn his room into a woven masterpiece using various lengths of material.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Create a chunky, textured, tactile giraffe collage that is cute enough to pet! This is a great way to recycle old arts and crafts materials.

In this activity, learners will discover how to make a basic water filtration system using common materials found around the house or outside.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

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

Your fourth grader will hone his fine motor skills and learn to follow directions as he creates this recycled angel tree topper out of an ordinary soda bottle!

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

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

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

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

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

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Design and throw a boomerang in this exciting craft project!

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

Make a bouquet of colorful duct tape flowers in this hands-on spring craft.

This science fair project idea examines liquids of different densities.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.