Test whether plants can grow without sunlight and water.

This project examines whether sugar substitutes are as sweet as real sugar.

Discover which absorbent material is the best; the Shamwow, paper towels, or cotton towels.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This science fair project idea produces sounds by creating vibrations using different objects.

Learn how different types of soil affect how animal tracks form in this experiment!

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

Check out this cool science fair project idea to learn why it is important for kids to eat healthy foods like fresh fruits and vegetables.

This experiment will test whether people are better auditory or visual learners and if there is a link between gender and either of these learning types.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

This science project teaches students to classify different shapes of leaves.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?