How cool are chromosomes? Read what Steve the savvy scientist has to say about chromosomes and genes before testing your knowledge with some fill-in-the-blanks.

Looking for a fun way to supplement your child's science learning? Try out a life science crossword puzzle! This one's all about ecosystems.

Read about how the capybara live and other interesting facts about capybara. Sure to satisfy your curiosity about capybaras!

Explore how traits are influenced by both genetic and environmental factors with this life science worksheet!

There are some parts of our brains that are still too complicated for scientists to understand! Find out the basics of the brain's functions with this fun page.

Budding paleontologists will refer to a word bank to identify 10 dinosaur-related vocabulary words in this playful word search puzzle.

Learn about the many different biomes the Earth is home to in this life science worksheet, which holds the answers to some simple life science questions.

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

Cut out and complete this trophic level pyramid template!

Learn more about what lives--and what thrives--in marshes with this fill-in-the-blank worksheet on marsh ecosystems.

Ever wonder how the human body functions? Enjoy this great info sheet all about the human heart, one of our most important organs.

Need to know all about the lungs? Study up with this comprehensive lung anatomy worksheet.

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

This Awesome Anatomy coloring page focuses on the heart and all the different parts of it.

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

Use your knowledge of sea creatures to fill out this crossword puzzle.

Studying human anatomy? Here is a great sheet that shows a diagram of all the muscle system. Your child will learn the scientific terms of the major muscles.

In this North American animal tracks worksheet, students hone their observation skills by matching tracks to animals.

Read up on the digestive system with this page, which follows your food from start to finish.

Students compare structures in the bodies of different organisms in order to draw conclusions about evolutionary relationships in this life science worksheet!

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.

Flex your mind muscles with a body science worksheet! Your child will learn the fundamentals of what makes up our muscles.

Looking for a worksheet to help your kid with his science vocabulary? This printable will help him with the parts of the human body.

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

As your child matches up the body systems vocabulary with the correct definitions, she'll boost her life science knowledge and have fun doing it!

Sit down for a fun science lesson with Steve the savvy scientist as he teaches you all about dominant and recessive genes!

Review the different body parts with a fun crossword! This is a great way for your little doctor-in-training to review the basic organs and their functions.

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

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

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.