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!

Investigate the mystery of why two tomato plants developed so differently!

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

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

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

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

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

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

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.

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!

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

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

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

This short nonfiction text will provide students with an opportunity to become more comfortable with identifying and defining academic vocabulary words—and they'll have fun learning all about the life cycle of a chicken in the process!

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.

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.

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

Learn about the badgers that live in Yellowstone National Park.

Ancient mariners mistook the manatee for a mermaid! Your young biologist won't make the same mistake after learning about the manatee with this worksheet.

Does your little scientist know the different types of energy? Explore energy with this helpful info sheet!

The grizzly bear once roamed across most of North America; now its habitat has shrunk to the northwest. Discover more about the grizzly with this worksheet.

In this worksheet, kids learn about friction by answering questions about the amount of friction in different situations.

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

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

Introduce children to photosynthesis with this fill-in-the-blanks life sciences worksheet!

Does your learner ever wonder what makes the Earth dark at night and bright during the day?