The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

This science fair project idea investigates how magnetism can defy the force of gravity.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

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

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

The project investigates how friction affects motion by using different surface textures.

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

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.

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

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

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

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

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.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

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!

Plants and light seem to be good buddies, but how far does the friendship really go?

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This science fair project idea examines the reason boats are shaped and engineered.