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

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

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.

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!

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

Collecting data is an important part of math and statistics. Practice gathering data using items around the house or classroom!

The periodic table of the elements is an important classification system of the most basic particles that make up our world!

Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?

Did you know that light could bounce? Set up a light obstacle course with a few mirrors and watch light bounce around your room.

It's a bird! It's a plane! It's Physics Man! Test your knowledge of the physical world with this fun questionnaire that takes physics to a super-heroic level.

Atoms are some of the tiniest particles that make up our world. Give kids some perspective with this worksheet that shows kids just how small atoms are.

How much do you know about our solar system's planets? Kids learn facts about Neptune in an out-of-this-world worksheet.

That's not a lake... it's a crater! Get the scoop on some of the world's most well known craters with this space science worksheet.

Explore one of the great mysteries of the universe with this space science worksheet on black holes.

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.

Explore the lush plant life of the tropical rainforest in this second- and third-grade worksheet!

Dip your toes into a marsh habitat in this second- and third-grade worksheet!

Not your typical crossword, this puzzle will have your child learning to recognize the shapes of the continents. Great for map skills and vocabulary!

Get a brief history of the atom with this introductory page for young physicists!

Get to know each of the Seven Summits, then organize their heights into a graph.

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 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 the difference between potential and kinetic energy with this introductory worksheet.

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.

Teach your little scientist the difference between physical and chemical changes, on a molecular level.

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