Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

Introduce your budding scientist to chemical reactions with this simple and fun science experiment!

Use this simple graphic organizer to map out a new word and explore it in depth.

Children label the eight planets of our Solar System in this simple astronomy worksheet.

Try out this simple worksheet diagramming the anatomy of a shrimp. Big words, small sea creature.

Teach your kids all about the second planet from the Sun with this simple science sheet.

Learners will discover a simple overview of the human muscle system in this introductory worksheet.

Kids love squids! This simple squid diagram will help your 5th grader memorize the squid anatomy.

This earth sciences worksheet offers a simple and informative overview to a fascinating geological phenomenon.

Teach your child about the layout of the Solar System with this simple worksheet, featuring the planet Neptune.

Meet the beetle! Filling out this simple worksheet can help your 5th grader learn the anatomy of a beetle.

Hop right into this simple worksheet to memorize grasshopper anatomy. Match the provided words to the body parts of this hip-hoppin' creature.

An energy pyramid is a simple way to graphically show how energy flows in an ecological community; somewhat similar to the food pyramid.

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.

Start from water cycle precipitation from clouds and match parts of the cycle to this clear colorful image of a simple water cycle, using the helpful paragraph.

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.

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.

Is your fourth grader learning about electricity? This worksheet is all about circuits, tests her skills and reinforces the concept of how a circuit works!

You can find rocks almost anywhere, but there's a lot more to rocks than meets the eye. Check out this science worksheet to learn all about rock formations.

Learn all about rivers--how they were formed, what they're made of, and what they do for us and the planet--in this reading and science worksheet.

This Awesome Anatomy coloring page shows how blood circulates through your body.

Check out this Awesome Anatomy page about your voice.

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.

Learn all about vision and sight with this life science diagram.

Learn about your sense of touch with this Awesome Anatomy page on the nervous system.

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

Humans have 32 teeth, including wisdom teeth, and this diagram has the names of all the other 28.

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

It's never too early to start teaching your kid about eating right and staying active.