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.

Meet the stratocumulus cloud, the kind of cloud that tend to gather in groups when a storm is on the way.

Coloring sheets are great for exposing your child to new animals. Meet the bilby, a sneaky-looking creature that sleeps during the day and feeds at night.

The cattle dog isn't your average dog, and its back story is unusual too. Learn about these dogs and color in the picture.

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

Help your child learn about the changing of seasons and weather with this cute sun mandala.

Meet the orange-thighed tree frog and color it in to match the description of its colors that are listed on the worksheet.

Learn about these resourceful creatures of the Australian outback and give their unique look some color.

The Australian outback is full of unusual and odd-looking animals. Check out the echidna, a spiny creature with no teeth and a long, sticky tongue.

Check out these printable weather postcards, which feature iconic images of each season. Print out these weather postcards for your kindergartener.

Did you know people have been growing turnips well before Ancient Rome? Enjoy this coloring sheet with your little gardener.

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.

Studying earth science? Learn about the different types of clouds with the series of cloud types.

Budding botanists can learn some new fun facts about chrysanthemums! Help your child read through this information page as she colors the flowers.

This is one angry looking constellation! Meet Taurus, one of the twelve constellations of the zodiac.

What's better than coloring and learning at the same time? Here's a great informational sheet on koala bears that doubles as a coloring page!

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

This Echidna coloring page features the rare, egg-laying mammal! Add color to the pictures and learn a few fun facts about this rare species.

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

Get your child into learning with this fun color and learn page. She can read some fun facts about possums, and have a fun coloring session at the same time.

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?

These two children sure look alike -- maybe because they're twins!

What is a weathervane? Find out the basics of this helpful weather prediction tool using this coloring page!

So what on earth is this funky creature? He is a Louisiana Pancake Batfish, one of several brand new species discovered within the past two years.

Soon-to-be scientists, here's a great coloring page featuring flowers and insects! Learn the scientific names of a ladybug and a daffodil.

Help your 2nd grader write out fractions in this underwater adventure.

This Bandicoot coloring page features two pictures to color of this rabbit-like animal and the opportunity to learn a few fun facts about Bandicoots!

Try planting your own lettuce plants with this helpful gardening sheet that doubles as a 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!