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