Put your prediction proficiency to the test in this third-grade physical science worksheet!

Learn about some of the major U.S. watersheds in this fascinating science and geography worksheet!

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

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

Learn to read a standard thermometer in both Fahrenheit and Celsius in this informative second- and third-grade worksheet! 

Learners will get to know the bald eagle, the national bird of the United States and an inhabitant of Yellowstone National Park.

Dive into habitat studies with this second- and third-grade worksheet!

Get a lesson in sports and science with this engaging third- and fourth-grade worksheet!

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

Learn all about your body's most important muscle: your heart! This simple diagram is a great way to introduce your little biologist to his heart.

Explore grasslands and their fauna in this thought-provoking worksheet!

Take a science-filled trip to an amusement park in this third- and fourth-grade worksheet!

Introduce your budding scientist to chemical reactions with this simple and fun science experiment!

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!

Use your powers of prediction to project the future movement of playground objects!

Deserts might seem inhospitable to life, but there are actually plenty of animals that can live there!

Explore a tropical rainforest habitat and its inhabitants with this engaging worksheet for third graders!

Have fun learning about food chains in this charming science worksheet!

Explore a wetland habitat with this engaging short-answer worksheet for second and third graders!

Dive into a coral reef ecosystem with this life science worksheet!

Step into the swamp ecosystem with this engaging life science worksheet!

Stroll through the flora of a temperate deciduous forest in this 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.

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!