This colorful diagram is a handy reference guide for kids learning basic body systems.

Children hone their observation skills by matching the tracks to their corresponding water animal in this worksheet.

The grizzly bear once roamed across most of North America; now its habitat has shrunk to the northwest. Discover more about the grizzly with this worksheet.

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

Learn about the black bears of Yellowstone National Park.

Kids find desert animals in this science word search. Animal habitat worksheets help students learn about life forms in different environments.

This Louis Pasteur biography goes over his accomplishments, and includes a bacteria-based science activity at the end!

Your child will write about his or her favorite animal. Kids will research their favorite animals online or at the library, then write down three facts.

Take a trip down to the deep blue sea and learn about the life cycle of a fish! Fish go through the same stages of life as many other living things.

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

As your child completes this science worksheet on the life cycle of a peanut, he'll get the chance to practice his sequencing, labeling, and drawing skills.

Learn about the amphibians and reptiles of Yellowstone National Park.

Children will look at a model of the human arm and hand bones, then refer to a chart to label it correctly, in this anatomy worksheet.

Take a look and learn all about this beautiful and rare tiger from the islands of Sumatra in Indonesia.

Test your third grader's biology knowledge with this worksheet, which challenges him to separate invertebrates from animals with a backbone.

This tree anatomy worksheet will give your little naturalist a better understanding of the parts that make up a tree.

Color in this diagram to see how a tree works and to better understand how many plants transport their "food".

Ancient mariners mistook the manatee for a mermaid! Your young biologist won't make the same mistake after learning about the manatee with this worksheet.

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

Take a peek inside the human eye with this eye-catching worksheet! See a simple eye diagram and learn vocabulary words that will help your kid understand sight.

Open your ears for some interesting science! Your little biologist will learn the basic parts of the ear with this diagram.

With this enlightening worksheet, kids will get a glimpse into how our brains' different parts function in surprising ways.

This raptors word search is not about dinosaurs, it's about birds! "Raptor" means "bird of prey", and there is a huge list here for your child to find.

How much do you know about man's best friend? This fun worksheet is jam-packed with fun facts about dogs!

Kids follow corn as it grows from seed to vegetable on this simple cut-and-paste growth chart.

Kids find grassland animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.

There are many endangered species all around the world. Read about the Amur leopard and why it's endangered with this information page.

Color this Awesome Anatomy coloring page that focuses on how the ears work to hear sound.

This Awesome Anatomy sheet focuses on the brain, often considered the most vital of vital organs.

Learn all about your sense of smell with this diagram and coloring page.