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

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

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.

Learn all about wildfires, a natural phenomenon looked upon with awe and caution.

How much do you know about our home planet? Boost your Earth knowledge with this science printable.

What is the difference between a solar eclipse and a lunar eclipse? Find out with this stellar space science worksheet!

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.

Learn what distinguishes a meteoroid, meteor and meteorite with this outer space science sheet!

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

This reading comprehension worksheet focuses on Brazil's incredible natural resources, targeting both Earth science and language arts.

Learn more about molecules and how they comprise the air all around us in this intro-to-earth-science worksheet.

Let your coloring skills blossom with this flower anatomy worksheet. Make your own flower, color and put your vocabulary skills to the test!

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.

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.

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

Do you know how Tsunamis are formed? This worksheet shows the physics behind tsunami formation.

This word search introduces your child to important rocks and minerals vocabulary, as it strengthens his attention to detail.

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

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.

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

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