Third grader today, astrophysicist tomorrow! Let your child research their planet of choice, and discover everything from the number of moons to temperature.

Our ecosystems need a protector; is your third grader up to the challenge? Identify harmful pollutants in a science worksheet that doubles as a coloring page.

Is your fourth grader learning about electricity? This worksheet is all about circuits, tests her skills and reinforces the concept of how a circuit works!

Use clues to fill in the boxes in this crossword puzzle, and learn more about freshwater fish along the way.

Try this worksheet diagramming a snail anatomy. It takes a snail over two minutes to travel 12 inches, but your 5th grader can finish this worksheet in no time.

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!

Without rain, we wouldn't have any puddles to splash and stomp in. Does your third grader know why and how rain falls from the clouds?

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

Test your knowledge of the periodic table of the elements with this quiz page!

What's the animal that swims upstream? Help your child figure this out with this cold-blooded animal crossword puzzle worksheet.

Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

Dr. McSquare needs help sorting out his lab reports. Can your child read each item, then label it with the correct scientific method step?

Encourage your child to take a nature walk, using the prompts on this worksheet to write and draw their observations of plants, animals, sounds, and more.

Searching for a worksheet that will give your kid help with his science skills? This printable will challenge his knowledge of the metric system.

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

Is your child baffled by the scientific method? Dr. McSquare is here to help! Learn the steps by helping the doctor organize his lab reports.

A handy worksheet that breaks down the properties of metal. A good physical science review sheet to keep around for reference.

Learn more about what lives--and what thrives--in marshes with this fill-in-the-blank worksheet on marsh ecosystems.

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

Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

Learn all about the ooey-gooey areas of land called wetlands that provide a home for certain kinds of plants and animals.

Fill in the blanks from the words listed in the word bank, then keep this sheet handy to prepare for tests and quizzes on life science and photosythesis.

Get to know the residents of the reef with this coral reef-themed crossword, perfect for expanding life science knowledge and working on vocabulary, too!

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

This Thanksgiving, serve up some Thanksgiving science learning and find out all about the chemicals that make up a typical Thanksgiving meal.

Guglielmo Marconi was a man who made waves in radio and sound. Learn about his life and work, then answer a short essay question in this science worksheet.

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

What is the Earth made of? Find out everything that goes on just below the surface in this science reading worksheet.