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.

This activity allows you to learn a fact about each one of our nine planets. Color in the planets then turn the worksheet into a fun and educational placemat.

A fun challenge for kids, this Earth Day crossword puzzle is a great way to review facts about the Earth and get a reminder on how to live green.

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!

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.

Take a look into the layers of the earth with this soil science sheet! Your little digger can learn about the different soil layers and what lives in each one.

Learn a bit about meteors, asteroids and comets as they travel across the night sky. Can your child round out the page by adding color to these orbiting rocks?

Did you know the surface of the Earth is always changing? Learn about the events that change Earth's surface with this crossword puzzle for second and third graders!

Here's a great worksheet for teaching your kids all about the planet Mercury. Did you know that it's the smallest planet in our solar system?

You can find rocks almost anywhere, but there's a lot more to rocks than meets the eye. Check out this science worksheet to learn all about rock formations.

Do you know how tornadoes form?This science worksheet diagrams what is known about what causes tornadoes to form.

Life on Earth is vast and varied, from high in the sky to the bottom of the sea. Learn more about what lives on Earth with this reading and quiz worksheet.

It's a sunny day out! What is the best outfit to wear? Help your child learn about the seasons as they select some summer clothing for this paper doll.

Learn all about rivers--how they were formed, what they're made of, and what they do for us and the planet--in this reading and science worksheet.

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

Analyze fossils with this engaging third-grade science worksheet!

Discover the animals and plants of the past in this fossil-focused worksheet!

Unearth fossils in this explorative third-grade worksheet!

Discover how cover crops enrich soil and support healthy crop growth with this research-based worksheet for fourth and fifth graders!

Get this earth science worksheet that will challenge your child's knowledge of volcanoes and teach him some new vocabulary.

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

Continents collide in this earthshaking science worksheet!

Help third and fourth graders become rock stars with this informative geology worksheet!

Ever wonder what the earth is made of? Help your little scientist to examine the different types of soil particles with this worksheet.

Illustrate each season with this engaging first- and second-grade weather worksheet!

Boost your second grader's knowledge of space with this fun worksheet, which will have her unscrambling the answers to planetary trivia.

This worksheet helps kids to visualize the sun's movement across the sky by asking them to draw the sun rising and setting.

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

Splish, splash! It's a warm spring day, but a rain shower is on the way! Kids completing this preschool science worksheet circle clothes for spring weather.

This printable features the planet closest to the sun. Learn Mercury facts and further your knowledge of outer space by discovering new things.