Energy Crossword

3. producing desired results quickly
4. behaviour that results in using less energy
7. the place in which one lives
9. using less energy to do the same function
10. the ability to do work
12. an effect that works like a garden greenhouse by keeping tha temperature of the earth warmer than it should be
13. fuels non-renewable sources of enrgy such as coal, oil and natural gas

1. a light bulb using gases to produce that require less electicity to produce light
2. small closely packed
5. a light bulb that uses a metal filament to create light
6. a small apparatus designed to complete a task
8. making and using less
11. to consume or use sometimes wastefully
12. emissions these are released into our earth's atmosphere when we burn fossil fuels