This Earth Day, learn about conservation and the environment while you enjoy solving a fun puzzle! 

Almost half of all known fish species call ponds, lakes, rivers, and other freshwater habitats home. Learn about freshwater fish in this worksheet.

What has two legs and carries its baby in a pouch? Fill in this crossword puzzle and learn some fun facts about two-legged creatures!

Check out this Awesome Anatomy page about your voice.

Let your coloring skills blossom with this flower anatomy worksheet. Make your own flower, color and put your vocabulary skills to the test!

Test your little nature-lover's knowledge about our feathery friends. Can she figure out which bird fits each description?

Budding scientists can learn about an important physical science concept with this worksheet all about density!

Here's a stormy science adventure that will blow your socks off! Learn about tracking hurricanes with this map of coordinates.

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

How long does a butterfly live? Find out with this worksheet! Give your second grader a fun way to practice making graphs using given information.

Track down some of the most famous animals of the Amazon -- and other places -- with this rainforest coloring page that doubles as a life-science lesson.

If your kid loves the ocean, he may enjoy learning tons of trivia about our fishy friends in the sea. Brush up on your fish facts with this fun page!

Learn all about how to convert centimeters to inches in this practice worksheet.

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

Does your child know where Earth is in the Solar System? He'll learn as he completes this fun, planet printable.

Help your child learn about one of the most elementary elements, gold.

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.

Important information has gone missing from the periodic table. Can you fix up these elements so that they read the right way?

Introduce students to the third step of the engineering design process with this helpful template!

Learn the basics of human anatomy with this info sheet all about the bladder. Your child will learn the different parts of the bladder

Here are four examples of mineral resources for kids to think about, plus a short explanation of what a mineral resource is.

Looking for a worksheet to help your child with science? This printable will help them with their biology vocabulary.

Learn all about cells, the tiny pieces that make up our body, in this color-in diagram.

Mmmm honey is delicious, but do you know how it's made? Take a dip into some sweet knowledge and find out the buzzy secrets behind honey.

Little space explorers can learn about the planet Neptune with this stellar coloring page! Help your child read some fun facts about Neptune as she colors.

Do you know what the thyroid does? Learn about our body's largest gland with this human anatomy info sheet.

Can your child name 10 animals that make their home in the mountains? After completing this worksheet, he'll know all about mountain habitats!

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.

Here's a great worksheet for teaching your kids all about the planet Mercury. Did you know that it's the smallest planet in our solar system?

Is air a natural resource? You bet! Air as a resource carries oxygen, which we need. Read and write about ways air quality can be affected.