Study

Heat Transfer Review

  •   0%
  •  0     0     0

      Back   Restart
  • Warm air is ________ dense than cold air and rises creating convection currents.
    less
  • What material would you use if you had to build something to keep liquid hot for 30 minutes?
    styrofoam, glass, wool, cotton, plastic- a good insulator
  • Name a good conductor of heat...
    Any metal
  • Baby chickens being kept warm from heat lamps demonstrates which type of heat transfer?
    Radiation
  • What is thermal equilibrium?
    During heat transfer when both objects reach the same temperature.
  • Transfer of thermal energy through space:
    Radiation
  • The heat trapped in a green house...
    Radiation
  • If I am cooking on a stove what is the best mateiral to use to heat my food?
    Metal
  • A toaster toasting bread is an example of
    Radiation
  • Stir frying vegetables is and example of...
    Conduction
  • True or False: Copper would be a good material to use on the handle of a pot.
    False it is a conductor
  • Walking on warm sand with your bare feet...
    Conduction
  • If I wanted to keep something cool for a long time, what would be the best material to use?
    Styrofoam
  • Warm air rises and cool air sinks demonstrates which type of heat transfer?
    Convection
  • Why do they learve spaces between the railway bars?
    Iron is a good conductor so it expands when it heats, so leaving space avoids accidents
  • A spoon in a cup of hot soup becoming warmer is what type of heat transfer?
    Conduction
  • This type of heat transfer moves in convection currents:
    Convection
  • What happens when two objects with the same temperature touch each other
    Nothing, no heat transfer
  • ______________ is the type of heat transfer that occurs in fluids, such as warm air risising and cold air sinking
    convection
  • Ironing a shirt is an example of...
    Conduction
  • Conduction occurs in....(state of matter)
    Solid
  • True or False: The quicker a molecule moves the warmer it is.
    True
  • What heat transfer happens when you burn your hand by touching a fire?
    Conduction
  • In heat transfer heat always flows from the __________ substance to the ___________ substance.
    Hotter to colder
  • When heat transfers from objects that are touching.
    Conduction
  • Any weather pattern is what type of heat transfer?
    Convection
  • The warm air from a heater creates a current when the warm air rises and the cold air sinks.
    Convection
  • A group of friends gathered around a fire to stay warm is what type of heat transfer?
    Radiation
  • Materials that allow heat to flow through them easily
    Conductors
  • The sun shining down on a family playing on the beach?
    Radiation
  • Johnny accidentally grabbed the handle of a hot pot...this is an example of...
    Condcution
  • Do larger things or smaller things heat up faster
    smaller things
  • A hot air balloon is what type of heat transfer...
    Convection
  • What happens when a cold drink sits in a hot room?
    It gets warmer
  • Materials that do NOT allow heat energy to transfer through them easily.
    Insulators
  • What type of heat transfer occurs when the sun is heating your body?
    Radiation
    • Your experience on this site will be improved by allowing cookies.