Review the rock cycle with this second-, third-, and fourth-grade crossword puzzle!

This worksheet features a scientific explanation and awesome photos of solar eclipses, which are extremely rare scientific phenomena.

Identify the appearance of the moon during its three main phases which include the New Moon, Quarter Moon, and Full Moon.

Help your budding geologist learn about these common landforms in this worksheet on peninsulas and capes.

Milky Way: candy bar or galaxy of 100 to 400 billion stars?

Practice naming the planets in our solar system with a fun, visual worksheet! Your child can see the planets in their orbits and try to label each one.

Encourage your little environmentalist to learn about composting! Children will boost their reading skills as they learn what compost is and how it helps the environment.

This moon phases worksheet offers a clear explanation of the lunar cycles. To teach your student the phases of the moon, download now!

Get to know each of the Seven Summits, then organize their heights into a graph.

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

Learn a little about the constellation called Cancer the crab with this constellations worksheet.

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

Learn some new words and facts about precious minerals with this word-scramble and matching worksheet.

Aspiring astronomers, here is a wonderful introduction to the constellations! Your child can learn about Aries the ram with this worksheet.

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

This helpful worksheet lays out all the qualifications for planethood. A great way to start studying outer space science!

Looking for a way to brighten your child's enthusiasm for astronomy? Introduce him to the constellations with this worksheet about the constellation Capricorn.

Did you know "Delphinus" is Latin for "dolphin"? Learn all about this cool constellation with this worksheet!

Quite possibly the most famous constellation, the Big Dipper is a small part of Ursa Major, the big bear constellation.

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

Did you know fish could fly? Pisces, which is also a zodiac sign, is a constellation, named many years ago.

Constellations are not just named after animals, some of them are named after people! Learn about the constellation Sagittarius with this fun worksheet.

Invite your child to dream big and design their very own planet. Encourage both creativity and scientific speculation with this fun worksheet.

For all you aspiring astronauts, here is a worksheet for learning the constellations! Learn all about the constellation Gemini with this sheet.

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

Many legends told by ancient people have characters that you can find as star formations called constellations! This one is Andromeda.

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!

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

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.

Before we knew what the stars were, people would often tell stories about the pictures that the stars formed. This one is called Aquila, the eagle!