1. ☁: ________________________
2. ☁: ________________________
3. ☁: ________________________
4. What is the difference between weather and climate?
5. Explain what happens to sea surface temperatures in the western Pacific during an El Niño.
6. Explain what happens to precipitation in the western Pacific during an El Niño.
7. Explain what happens to sea surface temperatures in the western Pacific during an La Niña.
8. Explain what happens to precipitation in the western Pacific during an La Niña.
9. What is the current ENSO state: El Niño, La Niña, or ENSO neutral?
10. With respect to storms in the western Pacific, what is the "El Niño, box"?
11. A wave was inscribed on poster paper by a RipStik.
    
    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 = _________ _________ As seen in the diagram, the RipStik took 1.45 seconds to swizzle (wiggle) 2.5 times. What is the period τ of ONE wave?
    6. f = _________ _________ What is the frequency f of the RipStik wave?
    7. ѵ_wave = _________ _________ What is the wave velocity ѵ_wave?
12. Write out the full names of the seven colors of the Newtonian rainbow IN ORDER:
13. Kestrels (a type of hawk related to falcons) use light to determine if a field has voles (related to mice) in a field. What is the name of the type of light the kestrel is using and how are they using that light?
14. Explain why a cup of coffee is bright white in an image taken with an infra-red camera.
15. List the three primary colors of light:
16. List the three secondary colors of light:
17. Hue Saturation Luminosity (HSL) colors:
    • Define Hue:
    • Define Saturation:
    • Define Luminosity:
18. Explain why the yellow you see on a computer monitor or a smartphone screen is called "fake yellow"
19. List the three colors the cones in the eye can detect:
20. Explain why pink can be considered "minus green"
21. What is your favorite color of light and why?

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