Across
- 5. Energy The energy stored in an object due to its position or state.
- 7. A human-powered vehicle with two wheels, pedals, and handlebars, used for transportation, recreation, and exercise.
- 13. Energy The sum of kinetic and potential energy in a system.
- 14. The ratio of useful energy output to total energy input.
- 15. A large natural elevation of the earth's surface, typically rising abruptly from the surrounding level; a large steep hill.
- 17. The ability to do work or cause change.
- 18. An amusement park ride consisting of a small train that travels along a winding, looping track at high speeds, often with steep drops and sharp turns.
Down
- 1. Energy The energy of motion.
- 2. A set of interacting or interdependent components forming an integrated whole.
- 3. The principle that energy cannot be created or destroyed, only transformed from one form to another.
- 4. Energy Energy caused by the movement of electrons.
- 6. Energy The total energy of the particles in an object, often experienced as heat.
- 8. Energy Energy carried by light.
- 9. A seat suspended by ropes or chains, on which someone can sit and swing back and forth, typically found in playgrounds.
- 10. Energy Energy stored in the nucleus of an atom.
- 11. Energy Energy stored in the bonds of chemical compounds.
- 12. A weight suspended from a pivot so that it can swing freely. Pendulums are often used in clocks to regulate the movement.
- 16. The transfer of energy through motion.
