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

Learn the names of major joints in the human body, the points at which bones intersect to make your arms and legs bend.

Hiccups interrupt us when we're talking and sometimes even get in the way of eating! Find out why we hiccup and discover some unusual ways to get rid of them.

Hop into this kangaroo coloring page. Kangaroos are a favorite for kids because of their unique look and movement, and they are a national symbol of Australia.

Your budding ornithologist will love this coloring page that features Virginia's state bird, the cardinal!

If you're looking to color a chimpanzee, you won't find a coloring page better than this one. Learn some facts about these animals while you're at it.

Get to know North Carolina state bird, the Cardinal, famous for their bright red color.

Does your preschooler fancy herself a "bird brain"? Test her basic bird knowledge with this cute, cut-and-paste chart.

This worksheet featuring food and natural resources touches on the subject of food chains.

Children will practice counting from 1 to 10 as they add a cap to a mushroom in this dot-to-dot worksheet.

Next time you're outside, go on a treasure hunt with this activity from PBS KIDS' Dinsosaur Train. Then, write all about your nature treasure loot!

Get your learning lasso ready for this plants and animals round-up! Can your child tell the difference between a living and non-living thing?

How do seeds get planted by nature? Find out how the plant life cycle is helped along by natural processes like wind or water.

Did you know you can identify a tree by its leaves? Discover the different shapes and shades of maple and oak leaves as you match each one to the correct tree.

Learn a little bit about green tree frogs (like that they sleep on the underside of leaves!) and then color in this scene of them at the zoo.

Fact: This worksheet is about unusual animals from all over the world. Opinion: This is the best fact and opinion worksheet ever!

Here are listed a handful of natural resources, for kids to classify as renewable resources and nonrenewable resources.

Kids draw something they smell in the garden for this kindergarten science worksheet. They learn that smell is a sense and that we use our noses to smell.

Can you figure out how to match each leaf to its correct tree? Just cut out the leaves, glue them to the trees and then pick your favorite!

The silverback gorilla is a special animal. This magnificent male is part of an endangered species. Complete this sheet to learn all about this gentle giant.

Learn more about two kinds of aquatic biomesÃfreshwater and saltwater biomesÃand how you can tell them apart.

Learn about the animal kingdom with this centipede anatomy worksheet. Fun fact: Centipedes have either 15 or 17 pairs of legs, but never 16!

Which tail goes with which animal? Help your preschooler learn to sort and categorize with this fun activity.

This spikey Stegosaurus looks fierce, but don't worry -- he's a vegetarian! Learn all about this massive dinosaur with a fun fact sheet.

Next time you head outside for a hike or a camping trip, bring along this checklist of animal tracks!

Get to know some of the friendly, furry, feathery river wildlife that live near American rivers, then match each one to its home.

The Mockingbird is Tennesse's state bird: it can mimic the sounds of other birds, and even the sounds of insects.

Read about one of Yellowstone National Park's coolest animals, the big horn sheep.

Clock, octopus, starfish, turtle: Which thing does not belong in this group? Kids completing this preschool worksheet identify the object that does not belong.

Discover the symbiotic relationship that helps this angler fish find his next meal!