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

This science fair project idea explores the different properties of matter.

This science fair project idea determines what household items are good conductors of electricity.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

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

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

In this fun experiment, we'll find out how color affects heat absorption!

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

In this science fair project, students make their own rain gauge to measure rainfall.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Check out this cool science fair project on identifying rocks and minerals for kids.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This project determines what category of person is most likely to be ticklish.

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 science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

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.