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.

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.

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

Find out the the cool science behind ice cubes with this fun worksheet.

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

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

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

Glass is everywhere, but have you ever wondered where it all came from? It doesn't grow anywhere -- we have to make it!

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

Searching for a way to help you kid practice their geography knowledge? This printable is a great way to learn the countries in North America.

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

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

Here is a brief introduction to The Great Pacific Garbage Patch for kids!

Have you ever wondered why manhole covers are round? It's a good thing to know -- big companies sometimes ask that question in interviews.

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.

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