How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Is your child a young ornithologist in the making?

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Slip some science into storm watching with a homemade rain gauge!

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

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!

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.