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

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

Ever wonder why sounds change as they move away from us? Learn all about the Doppler effect with this physics worksheet.

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.

Can you explain why your blue shirt is blue? This worksheet is full of facts about light and how it reacts with objects to give us the perception of color.

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.

Practice using the periodic table to calculate the number of neutrons in the atom of an element.

Teach your little scientist the difference between physical and chemical changes, on a molecular level.

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

This science worksheet tells all about James Watt, the man that powered the Industrial Revolution.

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

Listen closely! Do you hear anything? Identify examples of sound energy in this kindergarten and first-grade worksheet!

Listen to the sounds of everyday life in this science worksheet!

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