Discover why humans change the world around us in this friendly kindergarten worksheet!

Plants need to breathe and eat food (energy) just like us! Help your budding naturalist to learn about photosynthesis.

In this "Inside-Out Anatomy" page you can learn about the immune system, the system that keeps us healthy and well.

What does a plant need to grow? Just like us, plants need food, water and air! Help your child understand more about plant life.

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.

Our eyes are one of the most important parts of our body -- they allow us to see! Color in the diagram as you learn what parts make up an eye.

How does blood flow through the heart? This worksheet prompts kids to map how blood is pumped through this sophisticated organ.

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.

When we get embarrassed or anxious, and all of a sudden our cheeks get red! Why does our body do this? Find out what scientists think blushing is all about.

Both of these animals have big ears! Your child will look at the pictures of unusual animals in this worksheet and try to learn some new things about them.

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

Students use a food web to identify the roles of organisms in an ecosystem and draw conclusions about the cycling of matter and flow of energy.

Learn all about the liver with this anatomy sheet. Our liver is one of many organs in the digestive system expelling waste from the body.

To learn about muscles, look no further than this Inside-Out Anatomy page.

You have a lot in common with all the other humans on this planet. You all have noses and arms and fingernails, but what makes you different?

Learn all about how we breathe with this info sheet about lungs. Your child will learn the different parts of the lung, including terms and concepts.

Does your child know his five senses? Give him an introduction to human anatomy with this sense of touch worksheet.

Tortoises lived in prehistoric times, and they looked pretty much the same then as they do today. Get to know this long-living reptile with a fun dot to dot.

Celebrate trees with this dot to dot coloring page. Not only will your child learn a new science fact, he'll also get to practice counting from 1 to 50.

Blue whale facts include that calves weigh up to three tons at birth and adults can be as heavy as 200 tons. Get other cool blue whale facts on this worksheet.

Analyze fossils with this engaging third-grade science worksheet!

Kids draw something they hear at the zoo for this kindergarten science worksheet. They learn that hearing is one of our senses and that we use our ears to hear.

Kids draw something they taste at the farm on this kindergarten science worksheet. They learn that taste is a sense and that we use our mouths to taste.