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!

Fifth-grade learners will look at a diagram of a cell, then follow the instructions to label its parts by color.

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

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

These printable Valentine's Day cards are perfect for a kid who's in love with animals and science!

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

How much do you know about our home planet? Boost your Earth knowledge with this science printable.

How far away is the Red Planet from the sun? Find out with this great Solar System printable.

Do you know why Mars is called the Red Planet? Find out that and more on this planet printable.

Learn Saturn facts with this science printable, like that it is one of the large gas planets in our solar system!

Blast off into space with a fun planet printable. This one features Jupiter, the largest planet in our solar system.

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!

Did you know that 763 Earths could fit inside Saturn? Learn more fun facts about Saturn on this fun science printable.

Fourth and fifth graders will cut out and assemble a human skeleton from paper in this engaging life sciences printable.

This printable features the planet closest to the sun. Learn Mercury facts and further your knowledge of outer space by discovering new things.

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

There's a lot happening beneath the waves, including the ocean food web. Take a closer look with this colorful printable.

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!

Does your child know where Earth is in the Solar System? He'll learn as he completes this fun, planet printable.

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

Searching for a worksheet to help your fourth grader with science? This printable will help him with geology.

Did you know that Uranus can get as cold as -144° Fahrenheit? Learn more about the third largest planet in our solar system on this planet printable.

Looking for a worksheet to help your child with science? This printable will help them with their biology vocabulary.

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

Searching for a worksheet to help your fourth grader with science? This printable will help him practice astronomy vocabulary.

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