Rainbows look like swipes of brightly colored paint hanging in the sky. Have you ever wondered how they got there?

Did you know that one of the main ingredients of a perfect pearl is dust? Learn all about the bizarre process behind every pearl with this science worksheet.

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

Invite your child to dream big and design their very own planet. Encourage both creativity and scientific speculation with this fun worksheet.

How much does your preschooler know about the parts of a flower? This colorful worksheet tests her flower knowledge!

Decide which plants could live in a grassland with this second- and third-grade worksheet!

Uncover the plant life of an icy tundra with this habitat worksheet for second and third graders!

Decide which plants could survive in the desert with this second- and third-grade habitat worksheet!

Dive into a coral reef habitat with this second- and third-grade worksheet!

Can your preschooler name the parts of a mouse? Give her a dose of animal science with this fun cut-and-paste printable.

Invite your kindergartener to fill out this elephant chart--testing her knowledge of an elephant's parts.

Without rain, we wouldn't have any puddles to splash and stomp in. Does your third grader know why and how rain falls from the clouds?

This friendly-looking penguin is cute enough to cuddle, but your kindergartener can start by filling out this chart of penguin parts.

Energy is a crucial part of physical science! All things on Earth have energy, whether it's potential or kinetic.

Test your kindergartener's understanding of the parts of a dolphin with this adorable, fill-in-the-blank dolphin chart.

Label the parts of a butterfly in this butterfly diagram worksheet!

Use this fill-in-the-blank chart to see how much your kindergartener knows about the parts of a bee.

Use this middle-grade graphic organizer to guide research on a mountain range of your choosing!

Water covers 70% of Earth’s surface—but where exactly is it? Find out in this fifth-grade worksheet!

Teach your child how to respect the ecosystem with a science worksheet that doubles as a coloring page. Can they identify the sources of pollution in the scene?

Our ecosystems need a protector; is your third grader up to the challenge? Identify harmful pollutants in a science worksheet that doubles as a coloring page.

Learn about pearls, which seem like normal jewelry from a factory but are actually made from the mucus of mollusks!

Learn about the geological processes that create fascinating landforms like Utah’s Delicate Arch!

Explore the habitat of the great blue heron in this kindergarten worksheet!

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

Discover the details of desert plant life in this informative worksheet!

Challenge your first grader to put these plant life cycle stages in the correct order with this fun beginning biology sheet.

Discover the difference between comets and asteroids in this stellar earth and space science worksheet!

Learn what distinguishes a meteoroid, meteor and meteorite with this outer space science sheet!

The infamous Halley's Comet only comes around once every 75 years or so! Read some interesting info on the world's most famous comet.