Physics Questions - Module #16

  1. Copper and aluminum have outer electrons that are loosely bound to the atoms. This makes these elements
    1. poor electrical conductors
    2. expensive
    3. pure
    4. slippery
    5. good electrical conductors
    6. all of the above
    7. none of the above

  2. Radiation from the star "Betelgeuse" is of longer wavelength than the sun. This means that the sun is ___ compared to that star.
    1. cooler
    2. hotter
    3. at the same temperature
    4. larger
    5. smaller
    6. bluer

  3. At the same temperature, molecules of hydrogen have ___ speed compared to molecules of oxygen.
    1. higher
    2. lower
    3. the same
    4. no
    5. infinite

  4. At 350 degrees C, your oven radiates with a wavelength that is ___ compared to your stove top that is 500 C.
    1. shorter
    2. longer
    3. the same
    4. none of the above
    5. all of the above

  5. To reduce the odds of being burned, would you choose to walk rapidly across a bed of red hot
    1. coal
    2. iron
    3. gold
    4. aluminum
    5. all of the above

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