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.

What's the animal that swims upstream? Help your child figure this out with this cold-blooded animal crossword puzzle worksheet.

Children put their science vocabulary to the test with this engaging crossword puzzle!

These worksheets help kids understand food webs, an important part of the life science curriculum in fourth grade.

This packet of worksheets introduces children to food webs, an important life science concept.

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

Children will learn important facts about food chains in these worksheets.

Did you know that invertebrates don't have backbones? Find out some different types of invertebrates with the clues in this crossword puzzle.

A useful overview of terrestrial biomes, including a climate key.

Learn all about your body's most important muscle: your heart! This simple diagram is a great way to introduce your little biologist to his heart.

Cut out and complete this trophic level pyramid template!

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.

Animal lovers can learn about sea creatures like sharks, tortoises and seahorses with this ocean habitat activity page, full of fun facts and a word search.

Children hone their powers of observation using this worksheet template.

There are a lot of structures that make up a new plant, called a seedling. Your child will learn what they're called with this life science word search.

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!

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

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

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.

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

What happens to our food after we swallow it? Chomp on some body science with this diagram of the digestive system.

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.

Budding biologists can learn all about human digestion with this information page, complete with a diagram of the digestive system.

Looking for a fourth grade worksheet to help your kid with science? This printable will test his knowledge of the water cycle.

Studying the human body? Get to know your body inside and out with this muscle diagram.

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

These 12 dinosaur names are all mixed up, and need a dinosaur expert to help unscramble the letters.

What does the pancreas do? Kids will check out the diagram, read a paragraph, and put their reading comprehension skills to the test by filling in the blanks.

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

If you're looking to color a chimpanzee, you won't find a coloring page better than this one. Learn some facts about these animals while you're at it.