What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

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.

This Earth Day quiz family and friends with this true or false questionnaire. It's all in good, informative, fun!

Here's an introduction to different types of rocks.

What is biomass energy? Learn about an important form of renewable energy with this colorful worksheet.

This worksheet features a scientific explanation and awesome photos of solar eclipses, which are extremely rare scientific phenomena.

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

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

Many legends told by ancient people have characters that you can find as star formations called constellations! This one is Andromeda.

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

Blast off into space with a fun planet printable. This one features Jupiter, the largest planet in our solar system.

What does the Earth look like? Find out all about the nooks and crannies that cover the planet with this landforms worksheet.

Educate your budding scientist about fossil fuels with this worksheet about non-renewable energy.

On this worksheet, kids learn all about the look and location of Uranus, and they get to cut out a picture to use in their own Solar System diagram.

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

Teach your child about the layout of the Solar System with this simple worksheet, featuring the planet Neptune.

Ready for liftoff? Take to the starry skies with this worksheet that explores the three basic types of galaxies.

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

Learn about how the Earth was formed in this science worksheet that covers the early years of the Earth.

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

Constellations are groups of stars that form a picture, usually with a story behind it. But many constellations are also zodiac signs, like Libra, the scales.

Searching for a worksheet that will help your child practice their reading skills? This printable uses life science as a background to help young readers.

If you're fascinated by bugs, check out this coloring page featuring the insect order Odonata, which consists of damselfies and dragonflies.

What is the Earth? Here is a reading passage and a word search to help your kid get acquainted with Earth science.

Mix a little art into your science with this reading-slash-drawing sheet on hills and valleys.

Can you and your child come up with a few ways to conserve water in your home? This printable starts you off with five ways to conserve water.

Nature is all around us! But how much does your child know about our natural world? Test her knowledge with some nature fun-facts trivia.

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.