Are cats trying to talk to us when they purr? Discover the meaning behind the purr in this worksheet that explores the three main types of cat purrs.

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.

Bird-watchers will love this worksheet, featuring just a sample of the many song birds flying around Yellowstone National Park.

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.

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

How much does your child know about the animal kingdom? Help her discover interesting facts with this animal crossword.

This computer-free activity teaches how to type ending punctuation marks using correct finger placement.

What is the Earth? Here is a reading passage and a word search to help your kid get acquainted with Earth science.

Cave formations come in all kinds of shapes and sizes; get the scoop on common cave formations with this two page printout with a maze and vocabulary.

Children discover and review the parts of a flower and what they do as they complete this botany-themed crossword puzzle.

How do the Sun and the Moon interact with the Earth, and how do all three depend on one another? Find out in this science worksheet.

Mmmm honey is delicious, but do you know how it's made? Take a dip into some sweet knowledge and find out the buzzy secrets behind honey.

Read about Yellowstone's red foxes, some of the most cunning and smart animals around.

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.

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?

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

Bikes are a healthy, great way to get from one place to another! Use this bike chart to familiarize yourself with basic bike parts.

What is wind energy? Teach your students how we can use the wind to create electricity!

Learn about how the Earth was formed in this science worksheet that covers the early years of the Earth.

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.

The next time you're on a hike, be sure to take this leaf chart to guide you in identifying different types of leaves!

It’s time to practice typing capital letters using correct finger placement.

The horned lizard has a scary exterior but a gentle personality. Your little student can learn about this North American lizard with this worksheet.

What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

Can your child name 10 animals that make their home in the mountains? After completing this worksheet, he'll know all about mountain habitats!

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.

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

What does the Earth look like? Find out all about the nooks and crannies that cover the planet with this landforms worksheet.

In which habitat could you find an arctic fox, a polar bear, and a snowy owl? Have your kid find tundra animals with this word search worksheet.