The Goliath birdeater is a spider that lives in South America. Your child will read a paragraph about spider before writing an opinion sentence.

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.

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

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

This coloring page features a puffed up, spiky blowfish.

This worksheet helps kids understand variations in animals and how the same kind, or species, can sometimes look different from each other.

You have a lot in common with all the other humans on this planet. You all have noses and arms and fingernails, but what makes you different?

Dreams can be delightful or downright terrifying. Discover the science behind dreams and try to figure out what your dreams say about you.

Mmmm honey is delicious, but do you know how it's made? Take a dip into some sweet knowledge and find out the buzzy secrets behind honey.

Learn about Red River Hogs in this series of animals facts sheets and coloring pages in one.

Did you know that one of the main ingredients of a perfect pearl is dust? Learn all about the bizarre process behind every pearl with this science worksheet.

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?

How can you tell how old a tree is? Look no further! This worksheet gives a basic overview of tree rings for your little scientist.

This Lily and Dragonfly coloring page will engage second graders in a fun coloring exercise while helping them learn the scientific names of the species.

Discover the symbiotic relationship that helps this angler fish find his next meal!

These fins are made for walking! Check out this coloring page of the shortnose batfish.

Learn about spider tortoises, one of the world's tiniest tortoise species, with this handy worksheet. Can't go to the zoo? We bring the zoo to you!

Children get to know animals of South America in this nature-themed worksheet.

These Valentine's Day cards will be the oddest and most unique cards your sweetie ever got!

All living things go through many changes as they grow to be adults! Help your little one understand how he will grow and change.

Pheww! What is that stinky smell? This fun worksheet is jam-packed with fun facts, a word search and trivia, all about skunks!

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

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

In 2012, an 80 million-year-old dinosaur was discovered, and you can learn all about this 20-foot, 2-ton horned herbivore.

Did you know cougars can leap 20 feet from a sitting position? This fun worksheet is jam-packed with fun facts about the cougar!

These printable Valentine's Day cards are perfect for a kid who's in love with animals and science!

Test your third grader's biology knowledge with this worksheet, which challenges him to separate invertebrates from animals with a backbone.

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

Looking for a worksheet to help your kid with science? This printable will help him with human anatomy and vocabulary.