Thermal Energy & Energy Transformations
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  • Question 1
    60 seconds
    Q.

    A cooking smoker, used to cook meats, works by allowing the warm air filled with smoke to rise to the meat, while the cooler air sinks closer to the fire. What type of heat transfer is responsible for smoking the meat?

    answer choices

    Electrical

    Radiation

    Convection

    Conduction

  • Question 2
    60 seconds
    Q.

    A student was conducting an experiment in which a heater was placed on one side of a large box and a thermometer on the other side. The student removed all the air from the box, turned on the heater, and recorded the change in temperature. What was the student's model designed to show?

    answer choices

    the transfer of heat through convection

    the transfer of heat through electricity

    the transfer of heat through radiation

    the transfer of heat through conduction

  • Question 3
    60 seconds
    Q.

    This appliance dries clothes primarily by converting —

    answer choices

    electrical energy to heat and mechanical energy

    mechanical energy to heat and electrical energy

    electrical energy to heat and light

    mechanical energy to heat and vaporization

  • Question 4
    60 seconds
    Q.

    A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?

    answer choices

    The chemical energy stored in the match changed to thermal energy and light energy.

    The thermal energy stored in the match changed to light energy and chemical energy.

    The light energy and thermal energy stored in the match changed to mechanical energy.

    The light energy and thermal energy stored in the match changed to chemical energy.

  • Question 5
    60 seconds
    Q.

    During a warm summer day, a car became extremely hot. When a student went to open the car door, he burned his fingers. What two forms of energy were responsible for the student burning his fingers?

    answer choices

    radiation and conduction

    conduction and convection

    radiation and electricity

    convection and radiation

  • Question 6
    45 seconds
    Q.

    What transfer of heat is responsible for cooking the chicken?

    answer choices

    radiation

    convection

    electrical

    conduction

  • Question 7
    45 seconds
    Q.

    Which of these actions, on their own, will cause ice to change to water? Remember, hot --- > cold

    answer choices

    removing heat from the ice

    adding sand to the ice

    crushing the ice

    adding heat to the ice

  • Question 8
    60 seconds
    Q.

    When an egg is boiled in a pot of water on the stove, there is more than one kind of heat transfer. Heat is transferred from the stove to the pot directly since they are physically touching. Heat is also transferred from the pot to the egg, carried through the water. What two kinds of heat transfer are represented?

    answer choices

    Stove → Pot = radiation, Pot → Egg = conduction

    Stove → Pot = conduction, Pot → Egg = radiation

    Stove → Pot = convection, Pot → Egg = conduction

    Stove → Pot = conduction, Pot → Egg = convection

  • Question 9
    45 seconds
    Q.

    Which of the following is an example of conduction?

    answer choices

    Solar energy warming a room

    Heat rising from the coils of a stove

    Hot air drying a wet towel

    Heat moving from a clothes iron to a shirt

  • Question 10
    60 seconds
    Q.

    Four steel blocks were heated to different temperatures and stacked together as shown. In which direction will heat be transferred by conduction?

    answer choices

    From Sample 4 to Sample 1

    From Sample 2 to Sample 3

    From Sample 2 to Sample 4

    From Sample 3 to Sample 2

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