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

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

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

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

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.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

This project investigates the affect of storage temperature on microwave popcorn.

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Create a self-portrait from natural materials in this collage craft activity!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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.

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

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

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

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!