Here's a great worksheet for teaching your kids all about the planet Mercury. Did you know that it's the smallest planet in our solar system?

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

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.

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!

Discover the inner workings of basic earth science in this worksheet on temperature.

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

Rain or shine, get ready for some weather watching! Record data to observe the weather patterns over the course of a week.

Here are four examples of mineral resources for kids to think about, plus a short explanation of what a mineral resource is.

Learn some new words and facts about precious minerals with this word-scramble and matching worksheet.

Fact: This worksheet is about unusual animals from all over the world. Opinion: This is the best fact and opinion worksheet ever!

Did you know that Uranus can get as cold as -144° Fahrenheit? Learn more about the third largest planet in our solar system on this planet printable.

During the Gold Rush, people weren't sure if they found gold or something else, and these easy steps would help them be sure.

Did you know that trees have more parts than just the trunk, branches and leaves? Take a look on the inside of a tree with this fill-in-the-blank diagram!

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

Next time you head outside for a hike or a camping trip, bring along this checklist of animal tracks!

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.

How was our solar system created? Read a bit about one of the most well-known theories in this worksheet about the Big Bang.

Learn the ins and outs of one of the body's most important organs: the heart!

This tree anatomy worksheet will give your little naturalist a better understanding of the parts that make up a tree.

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

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

How do you think our universe will end? With this worksheet, explore some of the common theories, and then come up with some of your own!

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

This word search introduces your child to important rocks and minerals vocabulary, as it strengthens his attention to detail.

Here is a brief introduction to The Great Pacific Garbage Patch for kids!

This research, drawing, and writing worksheet is a fun introduction to informational and science writing.

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

These "Dig It!" worksheets not only teach about life on earth, they teach the scientific method as well.

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 what distinguishes a meteoroid, meteor and meteorite with this outer space science sheet!