Across
- 2. light in which waves have the same wavelength, and the crests and troughs are lined up
- 4. A power plant that uses moving water to power a turbine generator to produce electricity.
- 7. the area surrounding Earth that is influenced by Earth's magnetic field
- 9. three specific colors that can be combined in varying amounts to create all possible colors
- 10. false or distorted image
- 13. the process of generating a current by moving an electrical conductor relative to a magnetic field.
- 15. an electric current that flows in one direction steadily
- 18. A device that increases or decreases the voltage of two linked AC circuits.
- 20. A machine that converts mechanical energy into electrical energy
- 22. domain a region that has a large number of atoms with aligned magnetic fields
- 24. A flow of electric charge that regularly reverses its direction.
- 25. the transfer of energy by electromagnetic waves traveling through matter or across space
Down
- 1. the frequency of the wave is varied
- 3. a material in which charges can move freely
- 5. color-coded pictures that show variations in temperature
- 6. a material that can be magnetized because it contains magnetic domains.
- 8. A solenoid with a ferromagnetic core that forms a magnet that can be turned on and off.
- 11. new color that results when any two of the primary colors are combined.
- 12. energy from the sun that is converted into thermal or electrical energy
- 14. the full range of electromagnetic radiation
- 16. a transformer that increases voltage
- 17. light is redirected as it passes through a medium
- 19. material that it allows most of the light that strikes it to pass through it
- 21. a device with fanlike blades that turn when pushed, for example, by water or steam.
- 23. a coil of current carrying wire that produces a magnetic field.
