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

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

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

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

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

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.

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

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

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.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

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

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

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This science experiment has students test whether a snail moves faster on concrete or dirt.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Make a backbone model to explore human anatomy and life science.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.