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.

Learn your clouds with this coloring series of cloud types that merges science with coloring fun.

Let your kid's knowledge of leaf vocabulary climb as high as a tall, tall tree with this fun word search.

Here's a quick overview of drought and flooding to spark thoughts or conversation with your kids about water.

Meet the altostratus cloud, a thin cloud that sometimes makes rain, in this earth sceince worksheet.

Challenge your child's knowledge of astronomy with this space-themed worksheet, which focuses on the timing of cosmic events.

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.

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

Looking for a worksheet to help your kid with science? This printable will help him with his knowledge of geology.

Use this cool 2-page worksheet to make your own big dipper clock!

Does your little gardener know about compost? Test their knowledge of this sensationally smelly earth science process!

What is a car made of? This worksheet asks you and your child to think about parts of a vehicle and where each listed resource was used.

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

Help kids understand the size and scope of billions of years with this helpful reference worksheet.

Back in ancient times, the stars were used as storytelling tools. People created characters and stories that they saw in the stars, like Leo the lion.

In this word scramble, children solve a riddle by identifying which things are made of plants and which are not.

Kids can explore ideas of storytelling and science as they fill in this comparison grid with their opinions. Start a conversation of ideas with this worksheet!

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

Get to know the planets of our solar system with a stellar coloring page filled with fun facts about Uranus!

All of these products are made from plants, or they can be! Practice using a Venn diagram, researching and classifying items with your kids.

One of the most famous and easy to spot constellations is the Big Dipper! Formally known as Ursa Major, this constellation was named after a bear.

Aspiring astronomers, here is a wonderful introduction to the constellations! Your child can learn about Aries the ram with this worksheet.

Teach your child about prehistoric marine species with this trilobite coloring page!

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!

Learn how sand dunes form, and a little bit about desert formations like yardangs as well, in this science summary sheet.

For kids learning geography or earth science, this is the perfect review sheet for drilling students on common geography terms and phrases.