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Across 4. THE WORK OUTPUT WILL EQUAL THE WORK INPUT. (2 Words) 8. m x g x h 9. Heat energy will travel from objects of higher temperature to objects of Lower temperature. (4 Words) 11. ½ x m x v2 (2 Words) 12. Term that describes the transfer of “heat waves” with no medium needed for the thermal energy to travel through. The sun transfers heat radiation to the Earth through the vacuum of space and then through our atmosphere.

Down 1. ENERGY CAN NOT BE CREATED NOR DESTROYED. THE TOTAL AMOUNT OF ENERGY WITHIN A SYSTEM IS A CONSTANT. (5 Words) 2. The sum total of potential and kinetic energy in a system. (2 Words) 3. Refers to the energy of a moving object. It is the product of an objects mass and velocity divided by two. (2 Words) 5. heat transfer that occurs when two objects are touching each other. 6. energy of position. Potential energy is the product of mass, gravity, and height. (Potential Energy is sometimes called “gravitational potential energy). (2 Words) 7. s a term that describes the energy we receive from a heat source. (2 Words) 10. is a device that makes work easier