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Evaluate the efficacy of different pain management techniques.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Determine how we can separate the components of a solution

This science fair project idea explores whether talking to a plant will help it grow.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

Science fair project that creates fog using bottles of hot and cold water.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

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

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

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.

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

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.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Free science fair project idea examining how different types of water affect plant germination and growth.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

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

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

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.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.