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

This science fair project idea explores whether talking to a plant will help it grow.

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?

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

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

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

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!

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

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.

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!

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

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

This science fair project idea produces sounds by creating vibrations using different objects.

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

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

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

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

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

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

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

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.

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

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 science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

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