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

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.

Complete this simple and engaging exercise about the planet Mars by reading the information and labeling Mars' layers using what you've learned.

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

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

Learn all about the cumulonimbus cloud, more commonly known by a much more fearsome name: the thundercloud!

What is a plateau? What's the difference between a butte and a mesa? Look at these three land forms and learn to tell them apart with this worksheet.

Fossils can tell us about life on earth, but they can also teach kids the scientific method.

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

Quite possibly the most famous constellation, the Big Dipper is a small part of Ursa Major, the big bear constellation.

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.

Back in ancient times, before people knew what the stars were, they told stories about them! With this worksheet, learn about the constellation Cygnus.

Did you know there is a tortoise who is over 100 years old? Learn some interesting animal facts with this cut and paste matching activity!

Before we knew what the stars were, people would often tell stories about the pictures that the stars formed. This one is called Aquila, the eagle!

Did you know snowflakes are so unique, there are no two alike? Teach your child about how snow forms with this worksheet.

What is a weathervane? Find out the basics of this helpful weather prediction tool using this coloring page!

Let your child put her thinking cap on and take a moment to write about the influence people might have had on the formation of landforms.

Does your child have a knack for astronomy? Teach him about the constellations with this great worksheet.

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

Did you know the eggplant is actually a fruit? Sit down with your little gardener to color these eggplants and learn how to plant your own!

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.

Help your budding geologist learn about these common landforms in this worksheet on peninsulas and capes.

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

If you were born in August or September, you may be familiar with Virgo, the zodiac sign. But did you know this character was originally a constellation?

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

Scorpio, the scorpion, is one of the zodiac signs but you can also find him up in the stars at night!

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

Did you know that before they were zodiac signs, characters like Taurus the bull were all constellations!