What does the Earth look like? Find out all about the nooks and crannies that cover the planet with this landforms worksheet.

If you know what each planet looks like, you'll have no trouble with this intergalactic crossword puzzle.

Did you know that before they were zodiac signs, characters like Taurus the bull were all constellations!

Learn Saturn facts with this science printable, like that it is one of the large gas planets in our solar system!

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

Learn how sand dunes form, and a little bit about desert formations like yardangs as well, in this science summary sheet.

Just like the rest of our body, our eyes are a complicated system! Learn about how the human eye works with this anatomy sheet.

Constellations are groups of stars that form a picture, usually with a story behind it. But many constellations are also zodiac signs, like Libra, the scales.

Learn a little bit about green tree frogs (like that they sleep on the underside of leaves!) and then color in this scene of them at the zoo.

Back in ancient times, the stars were used as storytelling tools. People created characters and stories that they saw in the stars, like Leo the lion.

Animal lovers can learn about sea creatures like sharks, tortoises and seahorses with this ocean habitat activity page, full of fun facts and a word search.

Lots of people like turtles, but how much do you really know about them? Get to know one of many types of turtles with this informational worksheet.

Light can do amazing things, but nothing else brings out its crazy capabilities like the prism. Learn about the dazzling prism and make one of your own.

Learn about pearls, which seem like normal jewelry from a factory but are actually made from the mucus of mollusks!