Help your first grader design and create his very own bird feeder out of an empty milk carton.

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

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

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

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

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

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!

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

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.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.