Study

Energy transfer

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  • The change in particles happens due to ( cooling - heating ) of matter.
    heating
  • In Radiation, heat moves as ................................
    waves
  • Fire & sun are examples of heat transfer by ........................
    Radiation
  • The picture shows the particles of (carbon dioxide - shoes - milk)
    Carbon dioxide
  • Anything that gives heat has light energy. (True / False)
    Fslae
  • Any source of light has ........................... energy.
    Light
  • Smart board is made of ................................. that are always moving.
    particles
  • Particles move (faster - slower) when cooled.
    slower
  • Which of the following is a natural source of light? ( moon - candles - flashlight - firefly)
    firefly
  • when heating food, its particles move .......................... & ............................. each other.
    faster - away from
  • (giraffe - jellyfish - lion) can generate its own light.
    jellyfish
  • Heat moves only by radiation. (True - false)
    False
  • Particles move (faster - slower) when heated.
    faster
  • When heat transfer from a far source of heat, it moves by ( Conduction - Convection - Radiation)
    Radiation
  • Jelly fish can generate its own light, so jelly fish is a (natural - man made) light source.
    natural
  • Light energy travels in ...........................
    waves
  • How is heat energy move? From hot to cold - from cold to hot - Heat doesn't move
    From hot to cold
  • Which of the following is a man-made source of light? ( stars - Sun - laptop - lightening)
    laptop