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!

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

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!

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

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 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!

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.

The insect order Hemiptera consists of True Bugs such as Stainers, Assassin Bugs, Leaf-Footed Bugs, and this Boxelder Bug.

Learn more about what lives--and what thrives--in marshes with this fill-in-the-blank worksheet on marsh ecosystems.

Collecting data is an important part of math and statistics. Practice gathering data using items around the house or classroom!

This Earth Day quiz family and friends with this true or false questionnaire. It's all in good, informative, fun!

If you're fascinated by bugs, check out this coloring page featuring the insect order Odonata, which consists of damselfies and dragonflies.

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

How did salt ever get into the ocean? Find out how, and then try conducting your own salt water experiment.

Learn how sand dunes form, and a little bit about desert formations like yardangs as well, in this science summary sheet.

Did you know plants make their own food? Discover how with this fill-in-the-blank worksheet for third and fourth graders!

Find out how scientists explain our yawns and use the graph to keep track of your family's yawns for a whole day!