The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

This science fair project idea determines the most effective method of preserving food.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

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

Check out this cool science fair project on identifying rocks and minerals for kids.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Have your child kick off their summer vacation by making a miniature water slide!

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

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.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

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 idea studies which brand of wintergreen candy produces the most sparks in the dark.

Construct batteries that make electricity from fruits with this fun science fair project.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Learn with makes water molecules work with this fun and easy science activity!

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.