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.

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

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.

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

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