Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

In this experiment we will be determining whether birds prefer certain colors of seed.

Examine the effect of pressure on carbonation in soda.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Discover whether cold or hot water from the faucet will boil faster on the stove.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

This science fair project investigates why the number of visible stars changes from place to place.

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

Test whether plants can grow without sunlight and water.

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!

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.

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!

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.

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

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

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.

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

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.