Scorpio, the scorpion, is one of the zodiac signs but you can also find him up in the stars at night!

Our ecosystems need a protector; is your third grader up to the challenge? Identify harmful pollutants in a science worksheet that doubles as a coloring page.

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

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!

Can you and your child come up with a few ways to conserve water in your home? This printable starts you off with five ways to conserve water.

Mix a little art into your science with this reading-slash-drawing sheet on hills and valleys.

Cave formations come in all kinds of shapes and sizes; get the scoop on common cave formations with this two page printout with a maze and vocabulary.

Does your child have a knack for astronomy? Teach him about the constellations with this great worksheet.

Back in ancient times, before people knew what the stars were, they told stories about them! With this worksheet, learn about the constellation Cygnus.

One of the most famous and easy to spot constellations is the Big Dipper! Formally known as Ursa Major, this constellation was named after a bear.

How much do you know about our solar system's planets? Kids learn facts about Neptune in an out-of-this-world worksheet.

Looking for a fourth grade worksheet to help your kid with science? This printable will test his knowledge of the water cycle.

Launch into learning with this worksheet on Gemini 4, one of the original missions in the early days of the U.S.'s space program.

From glaciers to mountains to wetlands, our planet has lots of different landforms. Help your child learn all about them with this fun earth science crossword.

Give your kid help with his science skills with this worksheet, which practices natural disaster vocabulary.