Invite spellers on an inter-stellar adventure with this fun word scramble puzzle.

Give your student a great Earth Science study tool, complete with a list of fun facts and a word search all about the grasslands.

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

This angelic constellation is Virgo, one of the twelve special symbols of the zodiac.

Watch out for this charging ram! The stars in the Aries constellation make up a ram -- if you use your imagination.

This is one angry looking constellation! Meet Taurus, one of the twelve constellations of the zodiac.

Have you ever heard of the chapparal ecosystem? Learn all about this dry, Mediterranean ecosystem with this fun sheet!

Searching for a worksheet to help your fourth grader with science? This printable will help him practice astronomy vocabulary.

Did you know when a plant is "coniferous" it means it has needles for leaves? The temperate forest ecosystem is full of these! Learn more with this fun sheet.

Who knew that the beach had its own diverse ecosystem? Learn all about the shoreline ecosystem with this fun worksheet!

Bet you've never seen Capricorn's symbol before -- it's a sea-goat!

Sagittarius clearly isn't your average archer -- for one, he's half a man and half a horse!

Dive into this astrological dot-to-dot worksheet with Pisces, one of the twelve constellations of the zodiac.

Learn all you need to know about our purple mountain's majesty with this fun ecosystems sheet!

Did you know there are temperate rainforests all along the west coast of the U.S.? Learn about this cooler rainforest ecosystem with this fun sheet!

This huge ecosystem's name "taiga" comes from the Russian word for "forest". Learn all about the taiga with this fun worksheet!

Earth has many different land and water features—can you recognize them? Test your knowledge with this crossword puzzle for third and fourth graders!

Did you know the surface of the Earth is always changing? Learn about the events that change Earth's surface with this crossword puzzle for second and third graders!

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