Ready for liftoff? Take to the starry skies with this worksheet that explores the three basic types of galaxies.

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

What is a plateau? What's the difference between a butte and a mesa? Look at these three land forms and learn to tell them apart with this 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!

How do the Sun and the Moon interact with the Earth, and how do all three depend on one another? Find out in this science worksheet.

Unearth fossils in this explorative third-grade 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!

Help third and fourth graders become rock stars with this informative geology worksheet!

That's not a lake... it's a crater! Get the scoop on some of the world's most well known craters with this space science worksheet.

Children get an introduction to plate tectonics in this geology worksheet.

Peel back the layers of the earth in this earth science worksheet. Can you name all of them?

Space enthusiasts will love learning about Freedom 7, the first manned American space mission.

Shake up your science studies with this worksheet about earthquakes.

Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences worksheet.

Analyze fossils with this engaging third-grade science worksheet!

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.

Dig into the past with this third-grade worksheet all about fossils!

Discover the animals and plants of the past in this fossil-focused worksheet!