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

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

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

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

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

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

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

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

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

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

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

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

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.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

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

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

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

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

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

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