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

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

The purpose of this science fair project is to build a basic radio.

This science fair project idea produces varying pitches of sound.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

This science fair project idea experiments with spinning color wheels and optical illusions.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

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.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

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

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Teach your child how butter is created by shaking up cream the old-fashioned way.

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

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

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

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.