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!

These math cards are printable quiz cards to challenge your first grader's overall knowledge.

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

In this worksheet, students will read two different passages about the platypus. Kids will compare and contrast the passages, and identify the main ideas.

Hey, did you hear that? Explore real-life examples of sound energy with this kindergarten and first-grade worksheet!

See if you can identify the objects that let light pass through them with this kindergarten and first-grade worksheet!

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

Track the traits passed down from parent to offspring!

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

Can you identify the difference between inherited and acquired traits?

Children work on pattern-spotting and observation skills as they determine which of these six type of creatures is a bird.

Investigate the traits you inherited from your mother and father in this worksheet!

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

Did you know that an elevator is actually one of the six simple machines? Help your child understand how the pulley works.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

What does a seal eat? Kids choose the pictures that show what kind of food each animal likes to eat in this first grade life science worksheet.

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

I spy with my little eye... six simple machines! Here's a fun way to help your child review the simple machines.

Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

This lizard can grow to over six feet long! Color the Golden Spotted Monitor Lizard, one of several brand new species discovered between 2009 and 2011.

Wedge your way into physics fun! You and your child can learn a bit about one of the six simple machines with this worksheet all about the wedge.