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!

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

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.

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

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!

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

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

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

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

Budding paleontologists will refer to a word bank to identify 10 dinosaur-related vocabulary words in this playful word search puzzle.

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

Can your child name 10 animals that make their home in the mountains? After completing this worksheet, he'll know all about mountain habitats!

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

Discover different types of energy with this third- and fourth-grade science worksheet!

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.

Did you know some baby birds take 10 days to hatch, and some can take 80 days! Learn all about these cute creatures and finish your lesson off with a fun maze.

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

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.

Connect forms of energy to real-life scenarios in this third- and fourth-grade worksheet!

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.

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.

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!