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

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

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

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!

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!

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.

Print out a set of weather-themed postcards to give your child practice identifying seasons. These weather postcards also allow kids to practice writing skills.

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!

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.

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.

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

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

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

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

Did you know snowflakes are so unique, there are no two alike? Teach your child about how snow forms with this 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.

Match the sense to the picture in this five senses worksheet!

Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences worksheet.

In 2012, an 80 million-year-old dinosaur was discovered, and you can learn all about this 20-foot, 2-ton horned herbivore.

Add color to the silly sea horse who is busy protecting her two babies. Also, practice pronouncing the scientific name for a sea horse.

This Bandicoot coloring page features two pictures to color of this rabbit-like animal and the opportunity to learn a few fun facts about Bandicoots!

Color the T Rex Leech! Named for its sharp teeth, he is one of many brand new species discovered in the past two years.

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!

Let your kid's knowledge of leaf vocabulary climb as high as a tall, tall tree with this fun word search.

Decide what differentiates living vs non-living things! First cut out the items on page 1, and then sort them in the chart on page 2.

So what on earth is this funky creature? He is a Louisiana Pancake Batfish, one of several brand new species discovered within the past two years.