Science

Thermal Energy Review

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  • 1. Multiple-choice
    30 seconds
    1 pt

    Sunlight passes through the windows of a car and causes the car seats to get hot. Which type of energy flow is involved in heating the seats?

    conduction

    convection

    insulation

    radiation

  • 2. Multiple-choice
    30 seconds
    1 pt

    A pan containing hot water is left on the counter and becomes cool mainly due to

    water molecules moving apart.

    cold air penetrating the hot water.

    heat from the water moving into the cooler air.

    hot water reacting with the metal pan.

  • 3. Multiple-choice
    45 seconds
    1 pt
    Image

    The picture shows a blacksmith lowering red-hot metal into a barrel of water. When the metal is dipped in the water, the water boils. What causes the water to boil?

    The water is displaced by the hot metal.

    Heat from the metal is transferred to the water.

    The boiling point of the water is reduced by the metal.

    Gases given off by the metal bubble to the surface of the water.

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