Other questions in this quiz

2. true or false: more efficient machines waste less energy?

  • true
  • false

3. What are sankey diagrams?

  • energy transformation diagrams
  • diagrams used to measure the cost of a machine/appliance

4. If something supplies energy it also supplies what?

  • water
  • heat
  • energy
  • power

5. true of false: some energy is always lost?

  • false-it's all converted into different forms
  • true- some is useful energy and the rest is lost energy


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