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Thermal Energy

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  • movement of hot air up to cool air
    convection
  • to give a different position, course, or direction
    change
  • occurs when two objects come in contact with each other
    Collision
  • heat energy
    thermal energy
  • in which direction does the transfer of thermal energy move?
    From the hotter object (fire) to the colder object (the pan)
  • to make a guess based on facts and observations
    infer
  • Particles moving ____have MORE kinetic energy.
    Faster
  • a number that is calculated by adding quantities together and dividing the total by the number of quantities
    Average
  • a state of balance between opposing forces or actions
    equilibrium
  • A group of parts combined to form a whole that works or moves as a unit
    System
  • transfer of heat from one object to another
    conduction
  • fixed, firm, or steady in position; not shaky or easily moved
    stability
  • The energy an object has due to its motion
    Kinetic Energy
  • would more ice cream or less ice cream melt faster?
    less ice cream (less mass)
  • to move from one person or place to another
    transfer
  • What does KJ stand for?
    kilojoules
  • how would you increase the kinetic thermal energy of a liquid
    by heating it up
  • What is thermal equilibrium
    when two substances reach the same temperature
  • the sum of Kinetic Energy and Potential Energy of the particles in a material is called
    thermal energy
  • If there was an arrow showing the thermal energy transfer between the two objects, which direction would it point to?
    to the left (from the red cube to the blue cube)
  • The smallest unit of a substance that has all the properties of that substance.
    Molecule
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