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6th grade science strand 2

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  • A cold cast iron skillet is placed onto a stovetop. What kind of heat transfer is this?
    Conduction
  • What is a conductor?
    Help heat energy flow faster
  • As substance is cooled, the molecules move.....(two descriptions)
    slower and closer together
  • Give me 3 examples of thermal insulator
    wood, rubber, plastic, wool
  • In the pot the dumplings sink to the bottom and rise back. What kind of heat transfer?
    Convection
  • Sitting by a campfire and your shoes get warm. What kind of heat transfer?
    radiation
  • In what phase change would the density of liquid became smaller? (2)
    evaporating, melting
  • Define constraint
    limitations
  • In what phase change would the density of liquid became bigger? (2)
    condensing, freezing
  • What is a thermal insulator?
    materials that reduces or prevents the transfer of heat
  • Give me an example of a molecule? An atom?
    H2O (molecule) H (atom)
  • Give me 2 examples of heat conductor
    metal, copper, gold,
  • Define criteria
    a principle or standard; a requirement; things that you must have in your design