Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Challenge your learner to design and build a city of their own in this creative engineering activity.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Use the textures found in nature to create your own stationery! This fun, outdoor activity will no doubt inspire your child's creative side.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.

This science fair project will help students learn about non-vascular plants, such as mosses.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

This science fair project examines how seeds hitchhike on animals and clothing.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

Help your child plant a "tea garden": a garden made of herbs for making teas.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.