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!

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

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

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

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

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

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

Cells are the building blocks of all living things! Help your little scientist learn the basics of a cell with this fun activity.

Children will plan our their STEM design, reflect on the process of building their creation, and brainstorm ways they could make their design even better.

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

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

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.

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

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

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

Learn more about two kinds of aquatic biomesÃfreshwater and saltwater biomesÃand how you can tell them apart.

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.

Do you know which animal has two humps? Your child will use clues to determine what animal name fits in the crossword puzzle with this worksheet.

Looking for a quick reference about gravity and a definition for kids? This two page worksheet and activity has you covered!

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.

Test your knowledge of electrical energy with this third- and fourth-grade worksheet!

Learn about the texture and hardness of different objects in this second-grade worksheet!

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.