Study

Energy

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  • Which source of energy produce less carbon dioxide that some non renewable sources?
    Biofuel
  • What types of energy does a wind turbine have?
    Kinetic and electrical
  • What types of energy does a light bulb have?
    Electrical and light
  • A fuel that people burn at home to heat water or cook food
    Natural gas
  • Name three problems of using too much energy
    Global warming, acid rain and pollution
  • Which are the non- visible form of lights?
    Ultraviolet and infrared lights
  • A radioactive material that is used to generate electricity
    Uranium
  • Which is the problem with the solar and wind energy?
    That they are unreliable sources
  • Give an example of what to carry out the Three Rs (one example for each R)
    Free answer
  • Mechanical energy divides into...
    Potencial and kinetic energy
  • A solid fuel that people use for heating or to generate electricity
    Coal
  • What types of energy does a car have?
    Chemical and kinetic
  • Give an example of a endothermic reaction
    Photosynthesis
  • Name five renewable sources
    Solar, wind, hydroelectric, geothermal and biofuels
  • Name four non- renewable sources
    Coal, petroleum, natural gas, nuclear
  • What happen when the light passes through a transparent material?
    That it's refracted
  • Which are the Three Rs?
    Reduce, reuse and recycle
  • Give an example of exothermic reaction
    Combustion
  • What types of energy does a iron have?
    Electrical and thermal
  • What types of energy does a radio have?
    Electrical and sound