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

Determine which magnets have the strongest force in this third- and fourth-grade worksheet!

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

Learn about some of the most common forms of energy with this helpful one-pager for third graders!

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

Do you measure distance in inches or seconds? When do you use miles? Answer these and more with this third-grade worksheet about the customary system of measurement! 

Don't let your kid bark up the wrong tree! Engage him in a word search filled with tree terms, boosting his attention to detail and problem solving skills.

Learn Saturn facts with this science printable, like that it is one of the large gas planets in our solar system!

Scorpio, the scorpion, is one of the zodiac signs but you can also find him up in the stars at night!

Discover some of the fascinating properties of gravity by studying one of Newton's famous laws, the Law of Gravitation.

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

Whoa, this spider is quite the spinster! He is actually one of many brand new species discovered between 2009 and 2011.

Many legends told by ancient people have characters that you can find as star formations called constellations! This one is Andromeda.

Give your child a great coloring page full of fun flower facts! This one is about the iris flower and the butterfly.

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

Learn more about the bones in your body and just how important they are with this reading sheet and diagram, all in one.

Did you know that an elevator is actually one of the six simple machines? Help your child understand how the pulley works.

Walter's Duiker is a new species of duiker, a kind of antelope, and one of many new species discovered between 2009 and 2011.

Launch into learning with this worksheet on Gemini 4, one of the original missions in the early days of the U.S.'s space program.

In this worksheet, students will read two different passages about the platypus. Kids will compare and contrast the passages, and identify the main ideas.

Did you know people can live with just one kidney? Get a head start on human anatomy with this info sheet on kidneys.

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

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

It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

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

Ever wonder how the human body functions? Enjoy this great info sheet all about the human heart, one of our most important organs.

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

Natural resources are crucial for sustaining life on the planet. Encourage your child to get to thinking about plants, one of Earth's natural resources.

Color the T Rex Leech! Named for its sharp teeth, he is one of many brand new species discovered in the past two years.