Dive into the deep, vast world of ocean science with this introductory sheet on the world's different oceans.

Did you know wolves are the largest members of the dog family? This fun worksheet is jam-packed with fun facts about the wolf!

Step up to the controls, Dr. Frankenstein -- the world is in need of a new creature!

Increase your child's vocabulary and knowledge of the scientific world around him with a single sheet!

There are many endangered species all around the world. Read about the Amur leopard and why it's endangered with this information page.

Introduce your child to a fascinating new animal, the Baird's tapir. This is just one of many endangered species around the world.

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

Dragonflies are some of the oddest looking insects in the world, so it's appropriate that they have so many unique characteristics. Read all about them!

Are you aware of how many endangered species there are in the world? Use this trivia sheet to test your knowledge of some beautiful but endangered animals.

There are lots of stories around the world for the rabbit moon: a rabbit image seen in the shadows on the moon's face. Here's one for young moon-gazers!

Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

Take a science-filled trip to an amusement park in this third- and fourth-grade worksheet!

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

Introduce your student to an endangered species, Przewalski's horse, with this information sheet. They can color the illustration as they read.

Help your child understand the importance of preserving the environment, with this info-sheet about an endangered species: the Iranian jerboa.

Help your child read this page about the Sumatran rhinoceros, where they can color an illustration as they learn about why this animal is endangered.

Teach your child about an endangered species with this information page, all about the Forest Owlet. They can color as they read some interesting facts.

Get in tune with nature, and read a bit about an endangered species of animal, the Black-footed Ferret. Your child can color an illustration as he reads.

Meet the red wolf, an endangered species of animal that was once very common, but in the past 50 year nearly became extinct!

Get to know one of the most unique and colorful monkeys, the red-shanked douc langur. Read about why they are an endangered species with this info-sheet.

Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

Animal lovers, get acquainted with a very unique species, the okapi! Read this info-sheet to learn about why this animal is endangered.

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.

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

Can you identify the difference between inherited and acquired traits?

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

Earth has many different land and water features—can you recognize them? Test your knowledge with this crossword puzzle for third and fourth graders!

Learn how conductors and insulators affect the flow of electricity in this helpful fourth- and fifth-grade worksheet!

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.

Discover the phases of the moon with this third- and fourth-grade space science worksheet!