Use pepper and soap to discover some fun facts about the properties of water.

This science fair project teaches students about wilting and browning of salad greens.

This science fair project will help students learn about non-vascular plants, such as mosses.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

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

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

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.

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.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

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

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

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

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Do different types of oil mix or stack? Find out in this science fair project idea!

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.