Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

This short nonfiction text will provide students with an opportunity to become more comfortable with identifying and defining academic vocabulary words—and they'll have fun learning all about the life cycle of a chicken in the process!

Practice classifying different animals in this engaging life science worksheet, created for second and third graders!

Learn about the life cycle of a tomato plant in this worksheet for second and third graders!

Identify the life cycle of a butterfly with this hands-on worksheet for second and third graders!

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

Uncover the plant life of an icy tundra with this habitat worksheet for second and third graders!

Learn about the plants and animals that make deciduous forests their home, then complete the crossword puzzle.

Discover what lives in the depths of the sea in this second- and third-grade habitat worksheet!

Learn more about a tide pool habitat with this life science worksheet for second and third graders!

This reading comprehension worksheet focuses on Brazil's incredible natural resources, targeting both Earth science and language arts.

These printable Valentine's Day cards are perfect for a kid who's in love with animals and science!

This worksheet features Uranus facts. Did you know this planet is blue and spins on its side?

Get the facts on the beautiful elk, an American treasure and a symbol of Yellowstone National Park.

Dive deep into your body's circulatory system with this worksheet on blood and what it's made of.

Learn about Red River Hogs in this series of animals facts sheets and coloring pages in one.

These Valentine's Day cards will be the oddest and most unique cards your sweetie ever got!

Take a peek into a temperate forest ecosystem with this food web worksheet for fourth and fifth graders!

These 12 dinosaur names are all mixed up, and need a dinosaur expert to help unscramble the letters.

Take a science-filled trip to an amusement park in this third- and fourth-grade worksheet!

Increase your child's vocabulary and knowledge of the scientific world around him with a single sheet!

Is your child crazy about snakes? Introduce him to the rosy boa with this fun and informative quiz.

Take a quick lesson in the otters that inhabit Yellowstone National Park and take an even quicker quiz.

This worksheet features a scientific explanation and awesome photos of solar eclipses, which are extremely rare scientific phenomena.

Here's a thorough, easy-to-understand breakdown of the color wheel that includes primary, secondary and tertiary colors.

Discover some fun facts about the sun — and bring it to life with color — with this astronomy worksheet!

Ready for a truly electrifying lesson in science? Find out how electricity forms and what makes a lightning bolt!

Find out all about the different parts of the eyes and how they work together to make vision possible.

Do you know why Mars is called the Red Planet? Find out that and more on this planet printable.

This fun worksheet is jam-packed with fun facts, a word search and trivia questions, all about the baboon!