What is the rocky cycle? This info sheet answers that question with the help of a colorful diagram and a shout out to important vocabulary.

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.

Where do flower babies come from? Find the answers in this word search about plant reproduction!

Explore one of the great mysteries of the universe with this space science worksheet on black holes.

What is Pluto? According to scientists... no, not quite. Find out more behind the answer to that age-old question.

Have you ever wondered what keeps the moon in orbit? Newton's first law gets a quick introduction, too, in this worksheet for kids. Check it out!

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

Do you know how clouds form? Get the basic idea of how moisture in the air can become a cloud.

How much do you know about our home planet? Boost your Earth knowledge with this science printable.

Use this lightning diagram to go along with what your child is learning about weather systems in school!

Do you know why Mars is called the Red Planet? Find out that and more on this planet printable.

Encourage your little environmentalist to learn about composting! Children will boost their reading skills as they learn what compost is and how it helps the environment.

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.

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?

Did you know that there are forests in the temperate ocean ecosystem? Learn all about the temperate ocean with this fun ecosystems sheet!

Our solar system has hundreds of moons! Read a bit about how a moon is formed with this lunar lesson.

Did you know that ocean water is salty, but river water is not? Find out how fresh and salt water mix together in this water cycle worksheet.

Let your coloring skills blossom with this flower anatomy worksheet. Make your own flower, color and put your vocabulary skills to the test!

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

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

From glaciers to mountains to wetlands, our planet has lots of different landforms. Help your child learn all about them with this fun earth science crossword.

This reading comprehension worksheet focuses on Brazil's incredible natural resources, targeting both Earth science and language arts.

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?

Learn all about wildfires, a natural phenomenon looked upon with awe and caution.

Milky Way: candy bar or galaxy of 100 to 400 billion stars?

Almost nothing in this universe can travel faster than light! Have some fun exploring the speed of light with this space science worksheet.

Does your learner ever wonder what makes the Earth dark at night and bright during the day?

If your student is stuck on Celsius, hand him this multiplication and division practice sheet.

That's not a lake... it's a crater! Get the scoop on some of the world's most well known craters with this space science worksheet.