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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!

Mix, boil, and toast your way to understanding energy transformations with this fourth-grade 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!

Guglielmo Marconi was a man who made waves in radio and sound. Learn about his life and work, then answer a short essay question in this science worksheet.

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.

Dive into the electrifying concept of electrical energy in this colorful worksheet!

Determine which magnets have the strongest force in this third- and fourth-grade worksheet!

Match forms of energy to common examples in this third- and fourth-grade science worksheet!

Connect forms of energy to real-life scenarios in this third- and fourth-grade worksheet!

Get a lesson in sports and science with this engaging third- and fourth-grade worksheet!

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

Get to know the Apollo 11 space mission in this science and history worksheet!

Consider the factors that affect magnetic forces in this informative third- and fourth-grade worksheet!

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

Let your curious kid learn a little bit about how fireworks work in this summer science sheet.

Take a science-filled trip to an amusement park in this third- and fourth-grade worksheet!

Even colors have best friends. In the world of color, these best friend pairings are called complimentary colors.

Learn how conductors and insulators affect the flow of electricity in this helpful fourth- and fifth-grade worksheet!

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

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

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

This worksheet features Mercury, the smallest planet in our Solar System, and also the planet that's closest to the Sun.

Without reflective surfaces, this biker would have a much more dangerous ride. Can you find all five reflective surfaces present in this scene?

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

Students flex their physical science knowledge by classifying items as solids or liquids in this fourth grade states of matter worksheet.

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

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.

On this worksheet, kids learn all about the look and location of Uranus, and they get to cut out a picture to use in their own Solar System diagram.

Do you measure distance in inches or seconds? When do you use miles? Answer these and more with this third-grade worksheet about the customary system of measurement! 

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.