What has two legs and carries its baby in a pouch? Fill in this crossword puzzle and learn some fun facts about two-legged creatures!

Dive into the electrifying concept of electrical energy in this colorful worksheet!

Discover the details of desert plant life in this informative worksheet!

Practice classifying different animals in this engaging life science worksheet, created for second and third graders!

Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

Who will win the marble race in this two-page physical science worksheet?

Use this cool 2-page worksheet to make your own big dipper clock!

Match forms of energy to common examples in this third- and fourth-grade science worksheet!

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Explore the strength of magnetic forces with this worksheet for third and fourth graders!

In this worksheet, children practice identifying animals of North America by their tracks.

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

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

Cave formations come in all kinds of shapes and sizes; get the scoop on common cave formations with this two page printout with a maze and vocabulary.

Uncover secrets of the past with this third-grade worksheet about fossils!

These are the largest tortoises in the world, yet they are only two inches long when they hatch! That's one of the facts you can learn from this worksheet.

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.

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

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.

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

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

Sting your little insect enthusiast with some knowledge about the insect order Hymenoptera. He'll learn a fun fact as he colors this yellowjacket.

Consider the factors that affect magnetic forces in this informative third- and fourth-grade worksheet!

How well does your child know the layout of our Solar System? This worksheet focuses on the biggest planet, Jupiter.

Explore the applications of electrical energy with this helpful second-grade worksheet!

This worksheet teaches all about the planet Saturn and its placement in the Solar System.

Determine which magnets have the strongest force in this third- and fourth-grade worksheet!

Teach your child about the layout of the Solar System with this simple worksheet, featuring the planet Neptune.

Are chickens mammals, fish, or birds? Sort animals by their traits in this informative life science worksheet!

Some people think alligators and crocodiles are the same, but there are some distinct differences. Check out this cool worksheet to learn what they are.