Learn about Yellowstone National Park's peregrine falcons, which survived heavy pesticide use in the 1960s.

Learn about the second fastest land mammal in the Western Hemisphere, the pronghorn antelope.

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

Learn about bison, some of biggest creatures in Yellowstone National Park, or anywhere else for that matter.

Learn the scientific name for jellyfish then have a ball coloring in the pictures of these graceful creatures!

This nonfiction passage helps kids develop reading comprehension skills, as well as learn important ecological facts.

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

Learn more about the skin (and the science behind pimples -- ew!) in this printable life science diagram.

Learn about Ichthyosaurus, a reptile that lived in the ocean, with this cool dinosaur dot to dot activity.

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

Learn the scientific names of this popular flower and its partner, the grasshopper, with this fun coloring sheet!

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

The best way for your young explorer to learn and understand how nature works is by going outside!

Stretch your backbones and learn about the creatures that have a spine and those you don't!

Colorado's state bird is the Lark Bunting, and you can learn all about it with this coloring page.

Your nature lover can learn the basics of drawing a tree with this simple step-by-step guide.

Learn about Yellowstone Park's lynx, the cats that put your average house cat to shame.

Learn about the life cycle of a wood frog in this second- and third-grade worksheet!

Learn about New Jersey's Eastern Goldfinch, a small bird with bright yellow feathers, in this state bird page.

Learn about Supersaurus, one of the largest dinosaurs ever recorded, with this fun fact dot to dot printable.

Plants may not have feet, but they do move! Help your child learn different ways seeds travel.

How do you make recycled paper? Learn all about the recycling paper process on this informative worksheet.

The narwhal is one unusual animal! Your child will learn about this horned sea creature through text and pictures.

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

The food chain is an important life science concept for fouth graders. This game makes it fun to learn!

Learn about the integumentary system, which is really just a fancy phrase for "skin", in this worksheet.

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

Learn the difference between behavioral and physical adaptations with this cut-and-paste worksheet for second and third graders!

Meet the beetle! Filling out this simple worksheet can help your 5th grader learn the anatomy of a beetle.

Color in the gold and red colors of this common grasshopper species and learn about insect orders with your child!