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!

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.

Teach your child how we measure temperature with these printable thermometers!

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

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

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

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

Invite budding naturalists to sharpen their observation skills with this colorful, printable scavenger hunt.

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.

What's in the ground beneath our feet? Explore the science of soil with your child using this handy printable!

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.

Outer space enthusiasts, here is the perfect project for you! Make a solar system mobile with this 8-part printable.

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!

Dig up some earth science learning with this printable, and turn your next hike or beach excursion into a lesson in soil science!

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.

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.