It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

Boost little ones' weather sense with this engaging matching worksheet.

Did you know there are clouds in space? They are very different than the ones on Earth! Read a bit about nebula in this space science worksheet.

Help your budding botanist get to know some of the most unique plants on Earth!

This worksheet features a scientific explanation and awesome photos of solar eclipses, which are extremely rare scientific phenomena.

It's pretty rare when a planet comes between Earth and the sun, but it happened on June 5, 2012. Learn about this mind-boggling event with this cool worksheet!

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

Spot the living things in nature with this engaging life science worksheet!

Learn more about the imposing tsunami with this worksheet about the science of tsunamis.

Get to know each of the Seven Summits, then organize their heights into a graph.

Meet the stratocumulus cloud, the kind of cloud that tend to gather in groups when a storm is on the way.

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

Is air a natural resource? You bet! Air as a resource carries oxygen, which we need. Read and write about ways air quality can be affected.

Ocean resources are an incredible part of how we live our lives; read and write about them with this worksheet.

Sprout an interest in gardening with this guide to planting cauliflower! Color this page and learn a few fun facts about how to care for your cauliflower.

This worksheet is all about the U.S. space mission of Friendship 7, and will help kids with reading comprehension and U.S. history knowledge all at once.

Do you know what the Aquarius constellation looks like in the night sky? Complete this dot-to-dot worksheet to find out!

This mix-and-match lists examples of natural resources. Kids can connect the natural resource with the resulting product.

What is the water cycle? We're glad you asked! Learn about this amazing natural system that's been working for billions of years.

Discover some fun facts about the sun — and bring it to life with color — with this astronomy worksheet!

Bet you've never seen Capricorn's symbol before -- it's a sea-goat!

Help your kid get his head around the seasons with this worksheet that asks him to draw a picture of the correct season according to what each kid is wearing.

On this worksheet, kids learn all about the look and location of Uranus, and they get to cut out a picture to use in their own Solar System diagram.

Learners explore and analyze the fossil record in this engaging life science worksheet!

Explore the science behind how hurricanes are forecasted with this two-page environmental science worksheet!

Students explore the relationship between mass, distance, and gravity in this middle school science worksheet!

Space enthusiasts will love learning about Freedom 7, the first manned American space mission.

Use this graphic organizer to learn about deforestation and its effects on the environment!

Discover examples of weathering, erosion, and deposition with this fourth-grade worksheet!