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.

Practice naming the planets in our solar system with a fun, visual worksheet! Your child can see the planets in their orbits and try to label each one.

Students demonstrate their knowledge of the structure of plant cells in this middle grades life science worksheet!

Students explore the mechanics of the respiratory system in this life science worksheet for middle school.

Stretch your backbones and learn about the creatures that have a spine and those you don't!

Expand your sea creature vocabulary with this Life in the Reef 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.

To understand electricity, you have to get down to the basics. Explore the literally microscopic world of electrons to get a grasp on electricity.

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

Sometimes measuring liquids scientifically is tricky. Give your budding scientist some practice, by reading measurements on graduated cylinder illustrations.

In which habitat could you find a blue whale, a squid, and a shark? The ocean, obviously! Have your kid find ocean animals with this word search worksheet.

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

Learn the ins and outs of one of the body's most important organs: the heart!

Children learn about the food cycle in a rain forest as they color in a scene of snakes, butterflies, leopards, and other forest-dwelling creatures.

Learn more about the animals in the swamp food chain, and find out how each living thing in a swamp ecosystem needs another to survive.

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.

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

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.

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

Have you ever wondered what keeps the moon in orbit? Newton's first law gets a quick introduction, too, in this worksheet for kids. Check it out!

Discover the function and parts of the human skeleton with this introductory diagram.

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.

Learn step by step how to create a report! Research facts about camels, complete the sentences, then use the sentences to create a report about camels.

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

Young botanists test their plant know-how with this quiz.

Meet the red wolf, an endangered species of animal that was once very common, but in the past 50 year nearly became extinct!

For your budding environmentalist, here is an information sheet on a well-known endangered species, the Komodo dragon!

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.

Students flex their physical science knowledge by classifying items as solids or liquids in this fourth grade states of matter worksheet.

How many teeth does an alligator have? Find out with this fun worksheet, dedicated to teaching you and your child all about alligators!