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Across 7. heat transfer that occurs when two objects are touching each other 9. The sum total of potential and kinetic energy in a system. (2 Words) 10. the transfer of heat waves 11. The rate at which work is accomplished 12. a push or pull

Down 1. the same amount of work output that we put in them (and since work is energy (2 Words) 2. ENERGY CAN NOT BE CREATED NOR DESTROYED. THE TOTAL AMOUNT OF ENERGY WITHIN A SYSTEM IS A CONSTANT (5 Words) 3. energy of position. Potential energy is the product of mass, gravity, and height (2 Words) 4. Refers to the energy of a moving object (2 Words) 5. force x distance 6. the term that describes the energy we receive from a heat source (2 Words) 8. The flow of heat