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

Learn all about vision and sight with this life science diagram.

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?

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

Read about a little-talked-about bird that inhabits the wetlands of Yellowstone National Park, the sandhill crane.

Launch into learning with this worksheet on Gemini 4, one of the original missions in the early days of the U.S.'s space program.

Learn about the California tiger salamander, which uses its toxic, bad smell as a defense.

There aren't many blue animals out there, but here's one that will be fun to color: the blue dart frog. Its bright color warns predators that it is poisonous.

Learn the basics of human anatomy with this info sheet all about the bladder. Your child will learn the different parts of the bladder

Use the clues in this crossword puzzle to fill in the blanks with different types of snake names. Learn interesting facts about snakes as you go!

Some devious mice have stolen important information from the periodic table. Can middle-grade chemists put the elements back together again?

Learn a bit about the Brazilian rainbow boa with this cool science worksheet.

Help your child practice his science skills with this science worksheet, which will challenge his knowledge of reptiles and ask him to solve a puzzle!

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

If your child is starting to learn human biology, give him a great study sheet with this anatomy worksheet about the pancreas.

Here is a fun animal info sheet that doubles as a spelling exercise! Your child will learn all about the Golden Eagle, and complete a word scramble.

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.

Ever heard of a Harris Hawk? Learn all about this cool bird with a fun sheet, including a grid drawing to guide your child in drawing his own hawk.

Learn about drag, air resistance, and Newton's laws with this cool worksheet on bobsled physics!

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.

These 12 dinosaur names are all mixed up, and need a dinosaur expert to help unscramble the letters.

Learn a little bit about green tree frogs (like that they sleep on the underside of leaves!) and then color in this scene of them at the zoo.

Kids love squids! This simple squid diagram will help your 5th grader memorize the squid anatomy.

This worksheet is a quick-reference tool of space vocabulary for kids, with an exercise to use the words properly in provided sentences.

Color in the gold and red colors of this common grasshopper species and learn about insect orders with your child!

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.