What's the difference between renewable and non-renewable energy? Help your student discover the various forms of energy we use each day.

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

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

Budding scientists will learn about the density of salt water and perform an experiment with food coloring, salt water, and fresh water.

Learn all about light refraction by simply placing your pencil in a glass of water. Warning: your pencil may not be quiet the same afterward.

Give your budding chemist the facts and practice she needs for measuring with graduated cylinders.

Budding scientists can learn about an important physical science concept with this worksheet all about density!

Light can do amazing things, but nothing else brings out its crazy capabilities like the prism. Learn about the dazzling prism and make one of your own.

Did you know that light could bounce? Set up a light obstacle course with a few mirrors and watch light bounce around your room.

Increase your child's vocabulary and knowledge of the scientific world around him with a single sheet!

Introduce your flashlight to mirrors. Mirrors are cool surfaces that reflect light just as well as they reflect your face.

Children learn the fascinating physics behind lightning, along with a few fun facts, in this physical science worksheet.

Kids practice identifying liquids for a lesson on the states of matter in this 1st grade physical science worksheet.

Have you ever wondered why water in a drinking glass looks clear while water in the ocean looks blue? Find out why with this fun worksheet!

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

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

Educate your budding scientist about fossil fuels with this worksheet about non-renewable energy.

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

Find out all about the different parts of the eyes and how they work together to make vision possible.

Help your student become aware of everyday energy use with this fill-in-the-blank worksheet.

When we push or pull an object, we exert force on it. Get your child thinking about force by challenging him to describe how each person is exerting force.

Renewable energy is extremely important for the Earth's future! Test your child's knowledge of renewable resources with this review sheet.

Little scientists can learn about a fundamental concept of physical science with this worksheet all about density!

Kids draw examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

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

Are students studying electricity? Give them a break from the scientific nitty-gritty with this fun word search full of electricity terms!

Your child will learn how electricity is made and used by drawing pictures of household products that use electricity to create light, heat, and motion.

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