The Energizer Bunny

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Across
  1. 6. The standard unit of work or energy
  2. 7. Energy is equal to mass times the speed of _____ squared
  3. 9. A type of energy associated with charged particles
  4. 10. Work done by gravity
  5. 11. Is neither created nor destroyed
  6. 12. Energy stored due to an object’s change in shape
  7. 14. Unit of mass
  8. 15. A swinging object that demonstrates the transfer of potential energy to kinetic energy
  9. 17. Objects of interest that can interact with each other
  10. 19. When an atom’s nucleus changes, it creates this type of energy
  11. 20. He recognized that mass is a form of energy
Down
  1. 1. Sum of kinetic and potential energy of objects in a system
  2. 2. Type of energy that is proportional to an object’s mass
  3. 3. Fossil fuels are an example of this type of energy
  4. 4. Type of energy that is stored due to interactions between objects in a system
  5. 5. The type of motion that a spinning toy is making
  6. 8. The sum of the potential and kinetic energy of particles in a system
  7. 13. An impact between two objects
  8. 16. The capacity for doing work
  9. 18. Energy transferred between electromagnetic waves