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Energy BL8 T/F

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  • Fossil fuels can be explosive, and they are harmful to the environment.
    TRUE.
  • Solar panels need electrical energy in order to provide solar energy.
    FALSE. Solar panels need electrical energy in order to provide electrical energy.
  • The energy from falling or fast-running water is known as hydroelectric energy.
    TRUE.
  • It is important to find alternative energy sources.
    TRUE.
  • A bomb is an object that outputs heat, light and sound energy.
    TRUE.
  • Crude oil is a fossil fuel that is used to make gasoline, asphalt, and other petroleum producs.
    TRUE
  • The clothes iron is an appliance used at home that needs electrical energy input in order to output sound energy.
    FALSE. The clothes iron is an appliance used at home that needs electrical energy input in order to output heat.
  • Solar energy and wind energy are not good alternative to energy sources.
    FALSE. Solar energy and wind energy are good alternative to energy sources.
  • If I avoid using electricity during peak hours, I can reduce my electric bill.
    TRUE.
  • Energy transformation is the process of creating one energy into another.
    FALSE. Energy transformation is the process of tranforming one energy into another.
  • energy cannot be destroyed nor created, only tranformed.
    TRUE.
  • If I keep my air conditioner on most of the times on weekends, my electric bill will not be affected.
    FALSE. If I keep my air conditioner on most of the times on weekends, my electric bill will be affected.
  • I can reduce my electricity consumption if I unplug electric devices when not in use.
    TRUE.
  • The harnessing of sun light and rain can be converted into solar energy.
    FALSE. The harnessing of sun light can be converted into solar energy.
  • Solar radiation is a non-renewable energy since we don't have sunlight at night.
    FALSE. Solar radiation is a renewable energy despite the absence of sunlight at night.
  • Wind energy is a conversion of water and wind into mechanical or electrical energy.
    FALSE. Wind energy is a conversion of wind into mechanical or electrical energy.
  • The light bulb receives electrical energy and transforms it into light energy.
    TRUE.
  • Fossil fuels are extracted under the ground, and they can't become expensive because they will never run out.
    FALSE. Fossil fuels are extracted under the ground, and they can become expensive because they will run out.
  • Fossil fuels are renewable sources of energy.
    FALSE. Fossil fuels are non-renewable sources of energy.
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