Other questions in this quiz

2. energy can not be WHAT or WHAT

  • created or destroyed
  • does nothing with it
  • made or got rid off
  • givn more of both

3. all devices waste energy, so the efficiency is never what percent

  • 75%
  • 25%
  • 100%
  • 50%

4. Efficiency is a measure of how WHAT a device is at charging

  • alright
  • good
  • bad
  • ok

5. mcrowave, hoover, washing machine and dish washer waste WHAT energy

  • heat energy
  • gravitational energy
  • sound energy
  • kinetic energy

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