104 • Name:

For answers with units, do not forget to include the units: numeric answer units!

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  1. What is precipitation?
  2. Explain what happens to sea surface temperatures in the Pacific during an El Niño.
  3. Explain what happens to sea surface temperatures in the Pacific during an La Niña.
  4. What is the difference between weather and climate?
  5. _____________ and _____________. At what local times does the Pohnpei weather service office launch their weather balloons?
  6. What measurements are made by the weather balloon?
  7. A wave was inscribed on poster paper by a RipStik. The RipStik was timed and took 0.75 seconds to go from 0 cm to 162 cm.
    Based on Millinocket swizzle sine wave 20 0 cm 54 cm 108 cm 162 cm
    1. On the diagram above, label a crest.
    2. On the diagram above, label a trough.
    3. λ = _________ _________ What is the wavelength λ of ONE wave?
    4. a = _________ _________ What is the amplitude a?
    5. τ = _________ _________ What is the period τ of ONE wave?
    6. f = _________ _________ What is the frequency f?
    7. ѵwave = _________ _________ What is the wave velocity ѵwave?
  8. A student gathered the data seen in the table below.
    Graphical analysis

    Sound speed data

    Time (s)Distance (m)
    0.0000
    0.4134
    0.8268
    1.2402
    1.6528
    background rectangle major grid lines axes text layers Speed of Sound Time (s) Distance (m) x-axis labels 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 y-axis labels 0 50 100 150 200 250 300 350 400 450 500 520 540
    1. Plot the data on the graph.
    2. __________ __________ Calculate the experimental speed of sound based on the data. Include the units with your answer.
    3. __________ __________ The published value for the speed of sound that day was 348 m/s. Calculate the raw error for this data.
    4. __________The published value for the speed of sound that day was 348 m/s. Calculate the percentage error for this data.
    5. __________ __________ Based on the experimental data, how long for a sound to travel 6760 meters?
  9. Write out the full names of the seven colors of the Newtonian rainbow IN ORDER:
  10. What is the scientific name for the spread of colors that was seen in the box with the CD?
  11. List the three primary colors of light:
  12. List the three secondary colors of light:
  13. Hue Saturation Luminosity (HSL) colors:
  14. ________________ What color of light does an orange ball reflect?
  15. ________________ What color of light does an orange ball absorb?
  16. As noted in class, indigo was added to the rainbow by Newton to generate a seven color rainbow. Looking at a spectrum, however, there really is no visually different color at the position of indigo. If indigo were to be replaced, what color would you add to the other six rainbow colors, the spectrum, and why?

period τ = 1 ÷ (period τ)
frequency f = 1 ÷ (frequency f )
velocity ѵ = wavelength λ * frequency f