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Find out whether packaged seeds actually do expire in this new science fair project idea.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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

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

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

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

This science fair project examines how seeds hitchhike on animals and clothing.

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

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

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

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

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

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

How do organic materials become soil? This science experiment measures what materials biodegrade.

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

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Explore if planting seeds in a certain direction will affect how fast it germinates.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.