This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

Science fair project that uses distillation to convert salt water into fresh water.

Find out which type of sponge holds the most water.

This science fair project challenges students to research and interact with the animals and plants that live in tide pools and test a practical use of tidepools

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

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

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Science fair project that explores the natural process of limestone formation.

This science project helps students gain understanding of bioluminescence, the phenomenon that allows fireflies and glow worms to give off light.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

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

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Here's a science activity to help your child investigate how seeds are designed to travel.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

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.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

Discover whether a metal will expand under hot water.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Find out whether matching resonant frequencies can cause objects to shatter.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

Explore the belief in astrology as a predictive system.