Study

Energy

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  • What happens when light refracts?
    slows down and bends
  • Another name for thermal energy is ...
    Heat energy
  • The hot water moves around the boiling pot.
    convection
  • Absorption is about the colours: I CAN see / I CAN'T see
  • What does a mirror do when light hits it?
    It bounces off and reflects
  • Hot air goes up or goes down?
    goes up
  • What are the three types of thermal energy transfer?
    Conduction, Convection and radiation
  • What colour is the light we see from a lamp or the sun?
    White light
  • Describe this picture.
    'absorption'
  • What kind of energy?
    sound
  • What kind of energy can I hear?
    sound energy
  • The sun makes me sweat.
    radiation
  • I turn on a heater. What energy transfer?
    Electrical transfers to thermal
  • Describe your clothes. Why are they that colour?
    My red top absorbs, blue, orange, violet, indigo, green etc.
  • I turn on a TV. What type of energy transfer?
    Electrical -> sound / light
  • What energy does a firefly have?
    A firefly has LIGHT energy. It doesn't have heat energy
  • Reflection or refraction?
    refraction
  • How many colours are there in white light?
    7 colours (Rainbow)
  • I touch a hot stove! Ouch
    conduction
  • What kind of energy?
    heat