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.

I spy with my little eye... six simple machines! Here's a fun way to help your child review the simple machines.

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

Did you know that an elevator is actually one of the six simple machines? Help your child understand how the pulley works.

Budding inventors can get a fun review of the simple machines with this word search.

Wedge your way into physics fun! You and your child can learn a bit about one of the six simple machines with this worksheet all about the wedge.

How many machines can you find around the house? You may find them where you least expect it!

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

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

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.

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

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

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.

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.

This worksheet is a quick-reference tool of space vocabulary for kids, with an exercise to use the words properly in provided sentences.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

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.

Make a splash with this hands-on first, second, and third grade science worksheet about sound and underwater vibrations!

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

Experiment with renewable energy from the comfort of home by creating a pizza box solar oven!

Let your curious kid learn a little bit about how fireworks work in this summer science sheet.

Encourage your child to take a nature walk, using the prompts on this worksheet to write and draw their observations of plants, animals, sounds, and more.