In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

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

Take a dive into the candy jar with this yummy science experiment.

This science fair project idea investigates how magnetism can defy the force of gravity.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This science fair project idea explores the different properties & interactions of sugar molecules.

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.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

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.