How did salt ever get into the ocean? Find out how, and then try conducting your own salt water experiment.

Ever wonder what makes the leaves change colors in the fall? Find out with this fascinating life science worksheet.

Grandma and grandpa didn't always have gray hair. Find out about what gives our hair color and what makes our hair lose that color as we get older.

Learn all about Delaware's state bird, the Blue Hen Chicken.

Rainbows look like swipes of brightly colored paint hanging in the sky. Have you ever wondered how they got there?

Study the night sky with this hands-on science worksheet for third and fourth graders!

This worksheet features Uranus facts. Did you know this planet is blue and spins on its side?

This worksheet helps kids to visualize the sun's movement across the sky by asking them to draw the sun rising and setting.

Have you considered why elephants have trunks, or why polar bears have thick fur? Reflect on animal adaptations with this fourth-grade worksheet!

Do you know what the Aquarius constellation looks like in the night sky? Complete this dot-to-dot worksheet to find out!

Why do some desert animals have large ears? Why do others have scales? Learn the answers to these questions and more with this life science worksheet!

Have you ever wondered why giraffes have long necks or why lions have sharp teeth? Find the answers in this third- and fourth-grade worksheet about adaptations!

Look up into the night sky, and you may see three prominent stars side by side. This is Orion's belt, one of the most well known constellations!

Check out this page about the robin, Michigan's state bird that's famous for laying bright blue eggs instead of white ones.

Learn facts about Venus, the planet that shines the brightest in our night sky! Then practice your knowledge of the solar system with bonus trivia at the end.

This page is all about Nevada's Mountain Bluebird. Make sure you have enough blue crayons to get you through this sheet!

Check out this page about the robin, the Connecticut state bird, that's famous for laying bright blue eggs instead of white ones.

Learn facts about Mars, the great red planet in the night sky. There is more find out about space by answering the question at the bottom of the worksheet.

Have you ever looked into the night sky and wondered where all those millions and million of stars come from? Find out here with a mini astronomy lesson!