This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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

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

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.

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

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.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This science fair project idea investigates if webbed feet help a duck (and others) swim.

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.

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

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Science fair project that examines condensation and the conditions needed in order for dew to form.

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.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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

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

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.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.