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!

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!

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

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

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

Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?

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

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

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

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

Teach your child how we measure temperature with these printable thermometers!

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

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

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

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

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

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

Rainbows look like swipes of brightly colored paint hanging in the sky. Have you ever wondered how they got there?

Discover the science behind an ages-old 4th of July tradition with this firework diagram.

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

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

What is wind energy? Teach your students how we can use the wind to create electricity!

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

Engage your little scientist with a fun word search, all about sinking and floating! He'll be learning a basic concept of physical science.

Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

Searching for a worksheet that will give your kid help with his science skills? This printable will challenge his knowledge of the metric system.

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.

Meet the master of compound machines: Rube Goldberg! His wacky contraptions put a whole new spin on the use of simple machines.

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

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