Challenge your learner to design and build a city of their own in this creative engineering activity.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

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

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Demonstrate how to tell the age of an egg without having to crack it open.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.