Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

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

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

Children hone their powers of observation using this worksheet template.

Children put their science vocabulary to the test with this engaging crossword puzzle!

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

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

Budding scientists will learn about the density of salt water and perform an experiment with food coloring, salt water, and fresh water.

For each item on this first grade science worksheet, kids match a piece of clothing with the thermometer showing a temperature for wearing the item of clothing.

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

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

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.

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

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

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.

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

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

Is your fourth grader learning about electricity? This worksheet is all about circuits, tests her skills and reinforces the concept of how a circuit works!

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

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

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!

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

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

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

A handy worksheet that breaks down the properties of metal. A good physical science review sheet to keep around for reference.

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

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

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 the basic concepts of sinking and floating with this fun worksheet. Your budding scientist will decide if these objects sink or float!

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