Across
- 3. 1000 watts
- 4. a survey you can take in your home to find what you use the most
- 6. an average time in hours that a bulb can last
- 7. the measure of the amount of light falling on abject
- 8. compacted florescent light bulb
- 9. light emitting diode
Down
- 1. units of power, in witch a bulb uses energy
- 2. incandescent light bulb
- 3. the unit in witch we buy electricity
- 5. a yellow and black paper that brakes down the energy