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Science fair project in which you will start a fire from scratch without using matches or a lighter.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

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 will make a model of a cell membrane using very simple material.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

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

This science fair project idea explores which fruit molds the fastest.

Determine if gender affects the ability to identify different smells.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Construct and experiment with a periscope using reflected light rays to gather an image.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

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

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Challenge your learner to design and build a city of their own in this creative engineering activity.

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.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

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

This project explores ways to prevent static electrical shocks.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

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