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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!

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

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!

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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."

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

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.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

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.

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!

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

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

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.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

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

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

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?

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!

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!