Help your child understand why it's so important to take care of the environment with this info-sheet about an endangered species: the spectacled bear.

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

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

Why did the fox cross the road? To look for the chicken! This fun worksheet is jam-packed with fun facts about foxes!

What's better than coloring and learning at the same time? Here's a great informational sheet on koala bears that doubles as a coloring page!

Row, row, row yourself over to this coloring page for a glimpse of the rare American paddlefish.

Get to know Earth's neighbor a bit more with this Mars coloring page! Your child can read a few fun facts about Mars as he colors.

These clever birds harden and disguise themselves as tree branches when threatened. Learn more and do some coloring with this worksheet.

If your kid gets excited about snakes, you need this cool worksheet. Learn a bit about carpet pythons, such as what colors they may be, and then color the picture.

Get to know some of the friendly, furry, feathery river wildlife that live near American rivers, then match each one to its home.

Help your child learn about facts and opinions. Kids will read statements about animals before determining whether each statement is a fact or opinion.

All the animals in this word search share one characteristic: none of them have bones! Can your child find the boneless critters hidden in the puzzle?

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.

Can you figure out how the Triceratops got his name? Study this Triceratops fact sheet and see if you can guess.

The horned lizard has a scary exterior but a gentle personality. Your little student can learn about this North American lizard with this worksheet.

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

In this worksheet, kids learn about basic physics concepts like mass, momentum, and velocity by applying them to a popular winter sport: slalom skiing!

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

Grandma and grandpa didn't always have gray hair. Find out about what gives our hair color and what makes our hair lose that color as we get older.

Help your little learner understand the concept of buoyancy with this fun worksheet. He'll decide which items will keep this frog afloat!

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!

Color the Namib Desert Beetle crawling along the Prickly Pear Cactus plant.

Pick up some peafowl facts on this worksheet with vibrant illustrations. Little ones will read about different types of peafowl and answer some questions.

Ever try to see a scorpion up close but were too scared? Get closer than ever with this scorpion anatomy worksheet. Fill in the body parts from the word bank.

If your child is studying life science, introduce her to all the strange animal pairs that work together in the wild.

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

Children learn to identify the tracks of a pine marten, chipmunk, mountain lion, mountain goat, and grizzly bear in this matching 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!

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!