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

Be a busy bee as you learn all about the different jobs honey bees have in their hives!

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.

Bird-watchers will love this worksheet, featuring just a sample of the many song birds flying around Yellowstone National Park.

Introduce your flashlight to mirrors. Mirrors are cool surfaces that reflect light just as well as they reflect your face.

Constellations are not just named after animals, some of them are named after people! Learn about the constellation Sagittarius with this fun worksheet.

This mole has a pouch for its young, just like kangaroos. Get your child into life science learning with this fun coloring page.

Do you need a job? Well, this elephant is looking for a new symbiotic partner, and you could be just the candidate he's looking for!

Coyotes' famous howl gave them the nickname "song dogs." This is just one of several coyote facts your child can learn from this worksheet.

Just like people, animals have babies that grow up into adults. On this worksheet, Kids draw a line to match each baby with its adult version.

What is the Earth made of? Find out everything that goes on just below the surface in this science reading worksheet.

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!

With this fun sheet, your child will get to learn a few fun facts about the raven, and then complete a crossword based on what she's just learned.

Just like all plants and animals, you go through different stages in life too! Help your child to see how he will change and grow throughout his life.

Explore the science of the sun with this make-your-own sundial activity! Just do a little bit of cutting and coloring, and let the sun do the rest of the work.

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.

How many machines can you find around the house? You may find them where you least expect it!

Sandy the bee is going to a party tonight. Encourage your 2nd grader to help him get there on time by drawing hands on the clock for him.

Did you know new species of animals are discovered every year? Color in this little cricket, the only one of his kind who can pollinate plants!

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

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.

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

Celebrate the fall season with this nature sketchbook, perfect for any lover of the outdoors!

Learn all about Alexander Fleming, the man who invented penicillin and the happy accident that brought him to it.

Get all the Tasmanian devil facts on this worksheet, from what they eat to how they got their name.

Introduce your child to the animal kingdom's most famous anomaly, the platypus! Color and learn about the platypus with this great info sheet.

This Earth Day quiz family and friends with this true or false questionnaire. It's all in good, informative, fun!

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

A coloring sheet of a Mars rover searching for life on other planets.

Life on Earth is vast and varied, from high in the sky to the bottom of the sea. Learn more about what lives on Earth with this reading and quiz worksheet.