Spheres are all around us—basketballs, globes, even the planet Earth! Help your students develop an understanding of this 3-D shape by identifying spheres in pictures and in real life.

In this recycle worksheet, kids color the different recyclable objects, then match them up with their corresponding bin. Try our recycle worksheet on Earth Day.

Natural resources are crucial for sustaining life on the planet. Encourage your child to get to thinking about plants, one of Earth's natural resources.

Introduce your little astronomer to Earth's 'sister planet' Venus! He'll color the picture as he learns fun facts about our solar system's brightest planet.

Solving a slew of double-digit subtraction problems will lead your second grader to deciphering the name of Earth's galaxy. Start subtracting!

Get to know Earth's neighbor a bit more with this Mars coloring page! Your child can read a few fun facts about Mars as he colors.

Invite students to take the digital citizenship pledge so they can learn about healthy ways to use technology!

Give your first grader a beginning lesson in history. He'll need to identify each form of communication and put them in order from most recent to oldest.

Read the definitions given for soil, sand and dirt then write down where each element can be found below the pictures.

Review the rock cycle with this second-, third-, and fourth-grade crossword puzzle!

Got a kid who loves rocks? Encourage your little geologist to learn about the 3 major rock types with this worksheet.

Learn all about precipitation and the role it plays on the planet in this weather science worksheet.

Does your little gardener know about compost? Quiz him on the basic elements of this excellent gardening tool.

Get wise about wind! Even though you can't see it, wind is a powerful force caused by changing temperature in the air.

Kids will learn about fossils in this worksheet. Help your child learn about the scientific method by getting him to examine a fossilized dinosaur skeleton.

Can you help Cornelius create a crazy compost concoction? Help your child review his knowledge of compost and recycling with this fun worksheet.

Second graders are still expected to know how to read "old-fashioned" analog clocks, and this worksheet will help!

Here's a beautiful science page to help your child learn the different types of clouds.

With this diagram, kids can find out more about oil, one of our most widely-used natural resources, and learn a little more about where it comes from.

What's in the ground beneath our feet? Explore the science of soil with your child using this handy printable!

Does your little scientist know the water cycle? Challenge her with this cut and paste activity where she'll label each part of this water cycle!

Read the definitions of soil, sand and dirt then write where you can find each type below the pictures. Nurture your budding geologist!

Our solar system might fit on this cool coloring page, but in reality it's 3.7 billion miles from the Sun to the dwarf planet Pluto!

If your child is fascinated by outer space, he'll love this solar system word search! While reviewing planet names, he'll ponder the mysteries of the universe.

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.

Children are introduced to the basic concepts of cloud formation in this diagramming and fill-in-the-blank activity.

Outer space enthusiasts, here is the perfect project for you! Make a solar system mobile with this 8-part printable.

Teaching kids what's recyclable and what's not is more important than ever. Give your kids the recycling lowdown with this activity-packed printable.

In this science matching worksheet, children will test their solar system know-how by matching each celestial body to the correct fact.

Become a disaster detective in this fun science worksheet!