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.

Back in ancient times, the stars were used as storytelling tools. People created characters and stories that they saw in the stars, like Leo the lion.

Pheww! What is that stinky smell? This fun worksheet is jam-packed with fun facts, a word search and trivia, all about skunks!

This helpful worksheet lays out all the qualifications for planethood. A great way to start studying outer space science!

This nonfiction passage helps kids develop reading comprehension skills, as well as learn important ecological facts.

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.

Searching for a worksheet that will give your kid help with his science skills? This printable will challenge his knowledge of plants.

Looking for a worksheet that will give your kid help with his life-science skills? This printable will challenge his knowledge of birds.

Back in ancient times, before people knew what the stars were, they told stories about them! With this worksheet, learn about the constellation Cygnus.

Ferrets are known for being sneaky, so don't be fooled by this quiz! Discuss this unique animal with your child as she learns some fun ferret facts.

For all you aspiring astronauts, here is a worksheet for learning the constellations! Learn all about the constellation Gemini with this sheet.

Have you ever wondered why manhole covers are round? It's a good thing to know -- big companies sometimes ask that question in interviews.

Our ecosystems need a protector; is your third grader up to the challenge? Identify harmful pollutants in a science worksheet that doubles as a coloring page.

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

If your child loves bugs, he'll adore this coloring page! Learn all about the insect order Homoptera, which consists of Aphids, Hoppers, Cicadas, and more.

Teach your child about plants with this worksheet, which helps your child practice botanical vocabulary.

If you were a mad scientist, what modern-day version of Frankenstein's monster would you create?

All the animals in this word search share one characteristic: none of them have bones! Can your child find the boneless critters hidden in the puzzle?

The next time your parents ask you to wash your hands before dinner, read this worksheet about Joseph Lister and take their advice!

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.

Here's a crazy thought experiment for you. Imagine you could create a monster made out of electricity!

Looking for a worksheet to help your kid with science? This printable will help him with his knowledge of geology.

Did you know some people have little teacup pigs as pets? Learn all about these adorable animals with your child as she completes this fact-filled quiz.

For kids learning geography or earth science, this is the perfect review sheet for drilling students on common geography terms and phrases.

Did you know fish could fly? Pisces, which is also a zodiac sign, is a constellation, named many years ago.

Before we knew what the stars were, people would often tell stories about the pictures that the stars formed. This one is called Aquila, the eagle!

If you were born in August or September, you may be familiar with Virgo, the zodiac sign. But did you know this character was originally a constellation?

Looking for a way to brighten your child's enthusiasm for astronomy? Introduce him to the constellations with this worksheet about the constellation Capricorn.

Test your child's science savvy with this worksheet, which asks your child to identify what items are made from plants.

It's pretty rare when a planet comes between Earth and the sun, but it happened on June 5, 2012. Learn about this mind-boggling event with this cool worksheet!