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

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

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.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

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

Making your own glass cleaner is easy, effective and inexpensive!

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This science fair project idea researches the effects of acid rain on plant growth.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.