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!

What do a key, a goldfish, and a tortoise shell have in common? Find out with this second-grade science worksheet!

Learn about the similarities and differences between objects in this colorful science worksheet!

Describe how things feel when you touch them and push on them!

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

Use this fossils worksheet to help a child learn about life on earth. Your child will learn about evolution and extinction, and also form a hypothesis.

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!

Prepare for an exciting experiment with this cut-and-paste lab safety worksheet for first and second 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.

In this worksheet, students will read two different passages about the platypus. Kids will compare and contrast the passages, and identify the main ideas.

In 2012, an 80 million-year-old dinosaur was discovered, and you can learn all about this 20-foot, 2-ton horned herbivore.

This Bandicoot coloring page features two pictures to color of this rabbit-like animal and the opportunity to learn a few fun facts about Bandicoots!

Color the T Rex Leech! Named for its sharp teeth, he is one of many brand new species discovered in the past two years.

Young astronomers unscramble words to reveal the heavens in this fun space science worksheet.

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!

Learn some new words and facts about precious minerals with this word-scramble and matching worksheet.

So what on earth is this funky creature? He is a Louisiana Pancake Batfish, one of several brand new species discovered within the past two years.

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.

Don't get too afraid of this cockroach, he lives all the way in South Africa! And he is one of many brand new species discovered in the past two years.

Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.

This page is all about building your kid's natural resources vocabulary words, along with research skills.