Across
- 4. anything people can use that comes from nature.
- 6. is thermal (“heat”) energy from below Earth’s surface.
- 9. A closed loop through which current can flow
- 10. any device that makes work easier by changing a force.
- 12. Potential energy due to the position of an object above Earth’s surface
- 13. the force you put into the machine.
- 14. energy that is stored in the bonds between the atoms of compounds.
- 17. energy that is stored in a person or object.
- 19. energy due to an object’s shape
- 23. The mechanical energy of rapidly flowing water which can turn a turbine and generate electricity
- 24. The voltage source of a simple circuit
- 25. energy that travels through space as electrical and magnetic waves.
- 27. process in which one form of energy changes into another form.
Down
- 1. How much a machine changes the input force
- 2. natural resources that are limited in supply and cannot be replaced as quickly as they are used up.
- 3. the ability to move or change matter in some other way.
- 5. the energy of moving electrons.
- 7. the energy of movement.
- 8. energy of an object in motion.
- 11. The energy in sunlight
- 15. form of mechanical energy that starts with a vibration in matter.
- 16. The stored chemical energy in organic matter or wastes
- 18. energy that is stored in the nuclei of atoms because of the strong forces that hold the nucleus together.
- 20. materials or elements that can be used to produce energy.
- 21. natural resources that can be replaced in a relatively short period of time or are virtually limitless in supply.
- 22. energy of moving atoms of matter.
- 26. the force the machine applies to an object.