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

Renewable energy is extremely important for the Earth's future! Test your child's knowledge of renewable resources with this review sheet.

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.

Are cats trying to talk to us when they purr? Discover the meaning behind the purr in this worksheet that explores the three main types of cat purrs.

Here's a fun way to review photosynthesis with your child! She'll show off her science knowledge as she answers questions to complete the crossword puzzle.

This water cycle worksheet is great for 5th grade scientists. Try this water cycle worksheet with your child as a review for test preparation.

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.

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!

It's a bird! It's a plane! It's Physics Man! Test your knowledge of the physical world with this fun questionnaire that takes physics to a super-heroic level.

Get to know Earth's star with with this diagram and vocabulary worksheet!

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

Discover the difference between comets and asteroids in this stellar earth and space science worksheet!

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

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

Shake up your science studies with this worksheet about earthquakes.

Explore the lush plant life of the tropical rainforest in this second- and third-grade worksheet!

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

Dip your toes into a marsh habitat in this second- and third-grade 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.