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!

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

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

What do a key, a goldfish, and a tortoise shell have in common? Find out with this second-grade science 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.

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

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!

Why do doorknobs and high-fives sometimes give you an electric shock? Read all about charging by conduction in this middle-grade science worksheet!

Reunite a family and their long-lost dog with the help of DNA testing in this middle-grade worksheet!

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!

Students take a deep dive into the structure of animal cells in this middle grades life science worksheet!

Did you know that having a pouch or a shell can help an animal meet its needs? Learn how animals use different parts of their body with this matching worksheet for kindergarteners and first graders!

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

Encourage students to take a deeper dive into the structure of plant cells in this middle grades life science worksheet!

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

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!

Explore the strength (or magnitude) of magnetic forces with this two-page physics worksheet for middle grades!

If a ship went down, would these items sink or float? Your little one will decide, with this fun worksheet to help him hone sorting and categorizing skills.

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.

These two children sure look alike -- maybe because they're twins!

Learn how sensory information is processed by the somatic and autonomic nervous systems with this engaging science 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!