If you push your little brother, does he push back? Well, according to Newton's third law of motion, he does!

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

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

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

The animal names on this third grade science and spelling worksheet are all mixed up! Kids unscramble reptile and bird names to complete the worksheet.

Without rain, we wouldn't have any puddles to splash and stomp in. Does your third grader know why and how rain falls from the clouds?

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.

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

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

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

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

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.

The narwhal is one unusual animal! Your child will learn about this horned sea creature through text and pictures.

Blast off into space with a fun planet printable. This one features Jupiter, the largest planet in our solar system.

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

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

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

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

Get outside and take a stroll! This leaf guide will give your little one a great learning experience the next time you're out at the park.

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.

Did you know that one of the main ingredients of a perfect pearl is dust? Learn all about the bizarre process behind every pearl with this science worksheet.

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!

Here is a fresh and fruity way to learn a bit of life science. Sit down with your little one and teach them all the different parts of an apple!

Did you know there are clouds in space? They are very different than the ones on Earth! Read a bit about nebula in this space science worksheet.

Young astronomers unscramble words to reveal the heavens in this fun space science 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!

In which habitat could you find an arctic fox, a polar bear, and a snowy owl? Have your kid find tundra animals with this word search worksheet.

Learn about drag, air resistance, and Newton's laws with this cool worksheet on bobsled physics!

Identify the appearance of the moon during its three main phases which include the New Moon, Quarter Moon, and Full Moon.

Put your kid's observational skills to the test with this word search that will help her learn some of the animals that inhabit a rainforest.