Searching for a worksheet to help your fourth grader with science? This printable will help him practice astronomy vocabulary.

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.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

Find out more about what REALLY dwells in swamp ecosystems with this worksheet all about swamps.

Learn a little about our planet with an Earth coloring sheet and find out more about our travels in to space by aswering the question at the bottom of the page!

The California condor has been brought back from the brink of extinction. This worksheet will help your little bird lover learn all about the condor.

What has two legs and carries its baby in a pouch? Fill in this crossword puzzle and learn some fun facts about two-legged creatures!

For your budding environmentalist, here is an information sheet on a well-known endangered species, the Komodo dragon!

Teach your child about a new bird, the Magpie, with a fun coloring sheet. She'll read a few fun facts about this species as she colors.

Animal lovers, here is a fun page all about the falcon! Your child will read a few fun facts about this bird, and complete a word scramble.

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

Read about the small population of huge moose in Yellowstone National Park.

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.

How much do you know about the Snowy Owl? Learn a few fun facts about this species with a fun sheet, including a dot to dot!

In this worksheet, children practice identifying animals of North America by their tracks.

Find out the the cool science behind ice cubes with this fun worksheet.

How many machines can you find around the house? You may find them where you least expect it!

Learn about a cool species of bird with this Osprey fun sheet! Your child will read a few fun facts about the Osprey, and complete a crossword puzzle.

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

Ever wonder what's inside a camel's hump? Your child will become familiar with animals that live in the desert with this fun activity sheet!

How much do you know about our national bird? Enjoy an info page about the bald eagle, with a mini crossword, some fun facts and a picture to color.

Light can do amazing things, but nothing else brings out its crazy capabilities like the prism. Learn about the dazzling prism and make one of your own.

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

Meet Michael Faraday, the inventor of the first electric motor. Without Faraday, who knows if we would even have working cars, airplanes or even clocks!

Who is this Frankenstein guy anyway? He's not the monster -- he's the guy who invented him.

There are many animals around the world whose lives or homes are threatened. Read about an endangered species from Africa with this info-sheet

Learn about the "dwarf planet" in our solar neighborhood. There are more Pluto facts to learn, if you figure out the answer to the question on the page.

This nonfiction passage helps kids develop reading comprehension skills, as well as learn important ecological facts.

Where is the Earth in space? Check out this worksheet that describes where weÃand some of our neighborsÃare in our galaxy.

If you were a mad scientist, what modern-day version of Frankenstein's monster would you create?