Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Find out which type of sponge holds the most water.

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

Find out which kind of bubble wrap fares best when put in impact.

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

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

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

Discover whether a metal will expand under hot water.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

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

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

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

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This biodiversity project examines the biodiversity in your own backyard.

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

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, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

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