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!

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.

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.

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!

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

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

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

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.

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

Can you and your child come up with a few ways to conserve water in your home? This printable starts you off with five ways to conserve water.

Third grader today, astrophysicist tomorrow! Let your child research their planet of choice, and discover everything from the number of moons to temperature.

Looking for a fourth grade worksheet to help your kid with science? This printable will test his knowledge of the water cycle.

Searching for a worksheet that will give your kid help with his science skills? This printable will challenge his knowledge of plants.

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!

Looking for a worksheet that will give your kid help with his life-science skills? This printable will challenge his knowledge of birds.