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

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

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

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

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.

What is energy? Energy is the ability to do work! Use this colorful worksheet to teach your little scientist the basics of energy.

Children hone their powers of observation using this worksheet template.

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

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.

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

Can your child tell what will be attracted by a magnet? Challenge him to think about why magnets attract certain objects.

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

Magnets are fun to play with, but how do they actually work? Have your child circle the objects he thinks the magnet will attract.

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

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

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

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

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

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

Crank out a better understanding of simple machines with this worksheet all about the wheel and axle!

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

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

This experiment requires only lemon juice, salt, sugar and grapefruit. Your budding scientist can get a great introduction to science by testing her own tongue!

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

Help your child's curiosity blast off by introducing them to some basic chemistry with this simple rocket demonstration.

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

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

Challenge your child's knowledge of astronomy with this space-themed worksheet, which focuses on the timing of cosmic events.

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

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