What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

Together, water and photosynthesis are the source of all life on Earth! Little curious minds will enjoy discovering the ins and outs of photosynthesis.

In this worksheet, kids learn about friction by answering questions about the amount of friction in different situations.

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

This worksheet teaches your child about physical properties of water, specific heat, kinetic energy and more.

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

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

Use this worksheet to help teach your preschooler what everyday things use electricity to function.

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

Have you ever wondered what keeps the moon in orbit? Newton's first law gets a quick introduction, too, in this worksheet for kids. Check it out!

Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

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

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!

This worksheet teaches all about the planet Saturn and its placement in the Solar System.

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

Does your child know where Earth is in the Solar System? He'll learn as he completes this fun, planet printable.

A lot of common objects use electromagnets to work. This word search will get your child thinking about all the electrical and mechanical devices around her!

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

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.

To understand electricity, you have to get down to the basics. Explore the literally microscopic world of electrons to get a grasp on electricity.

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

Find out how colors work with an intro to the color spectrum. Kids will investigate the seven colors of the rainbow and do a color wheel experiment.

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

Introduce the basic concepts of sinking and floating with this fun worksheet. Your little one will decide which objects sink, and which ones float!

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

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

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