Energy, Power, and Mechanics

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Across
  1. 6. Energy from plants and plant derived materials
  2. 8. Heat energy made and stored in the earth
  3. 10. Branch of physics concerned with the mechanical properties of gases
  4. 11. Energy from the sun
  5. 13. Transfer of energy that is completed when you transfer energy from one object to another
Down
  1. 1. Energy created during nuclear fission or fusion
  2. 2. Electricity produced from hydropower
  3. 3. Push or pull on an object
  4. 4. Form of hydropower that converts energy form tides into usable and useful forms of power
  5. 5. Ratio of the force produced by a machine to the force applied
  6. 7. Rotating part with teeth that meshes with other teeth to transmit torque
  7. 9. Energy from the wind
  8. 12. Simple machine consisting of a bar on a fulcrum