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Where Does Our Energy Come From?

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    Energy generated at a power plant
  •   Study   Slideshow
  • True/False - It takes only one person to turn on a light bulb.
    FALSE - many people are involved in generating electricity so the light bulb will turn on.
  •  5
  • What is the SOURCE of the energy we use? (where does it come from at the very beginning??)
    Earth - natural resources
  •  15
  • Name one natural resource that is used to make electricity at a power plant.
    coal, natural gas, water, wind
  •  15
  • What is the FIRST step in making electricity?
    Harvest the natural resource from Earth to generate power.
  •  25
  • Give one example of an unlimited source of energy that could be used to generate electricity.
    wind, sun, water
  •  25
  • Give one example of a finite source of energy that we use to generate electricity.
    coal, natural gas
  •  25
  • Power plants use sources of energy like coal to heat water and produce _____.
    steam
  •  10
  • In a power plant, steam powers a _____.
    turbine to generate electricity
  •  10
  • In the generator of a power plant, _____ energy converts or changes to electrical energy.
    mechanical
  •  15
  • In a power plant, when steam powers a turbine, this is ____ energy converting or changing into mechanical energy.
    thermal
  •  15
  • Electricity generated at power plants travel to our homes through ____ ____.
    electric or power lines
  •  10
  • What happens when too much or too little power is sent from the power plant?
    A blackout
  •  20