In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

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

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Discover whether cold or hot water from the faucet will boil faster on the stove.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

In this science fair project, students use the streak test to tell minerals apart from each other.

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Test whether plants can grow without sunlight and water.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This science fair project idea explores whether white light can be separated into different colors.

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.

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?

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

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

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

This science fair project idea demonstrates that plants give off water.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.