Across
- 3. A nuclear reaction.
- 5. When heat energy is transmitted through conduction
- 7. Heat transfer by mass motion of a fluid.
- 9. A nuclear reaction with the emission of energy.
- 11. Able to be maintained at a certain level.
- 13. The emission of ionizing radiation or particles.
- 14. One of world's primary energy source.
Down
- 1. High energy particles that cause ionization.
- 2. Taking energy from the sun's rays.
- 4. Method of generating electric power using solar cells.
- 6. A hydroelectric power plant.
- 8. A large body of matter with no definite shape.
- 9. A source of energy that is not depleted by use.
- 10. A machine where kinetic energy is transformed into mechanical energy.
- 12. A chemical used in nuclear reactors.