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

This science fair project idea produces varying pitches of sound.

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.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

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

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.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

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.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Is your child a young ornithologist in the making?

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

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.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

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.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

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

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

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

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.

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!

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

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

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

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

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

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