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

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

Use this blank periodic table to work on your memorization of the table for your next quiz!

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!

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!

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

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

In this physical science worksheet, students will review how to calculate velocity given time and distance and then apply this process to several diverse word problems.

After your child fills in this review sheet on chemical and physical properties, it's a good idea to hold onto it for future test review!

The periodic table of the elements is full of helpful information. Figure out how to read the periodic table with this helpful guide.

Did you know that sound is actually caused by movement? Vibrations of particles create the sound that we hear.

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

Don't let school year learning slip away this summer: use this chemistry worksheet to practice identifying elements.

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

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

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.

Our understanding of the atom has changed over the past few hundred years! Read about a few different theories on the structure of an atom.

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

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.

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

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