Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

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

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

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!

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

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!

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.

Is your child a young ornithologist in the making?

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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.

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

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.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

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 idea examines the reason boats are shaped and engineered.

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

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.