a. red
7. Which color has the highest frequency?
b. orange
c. yellow d. violet
8. Why is the sky blue?
a. It is reflecting the ocean's water color
b. Outer space is dark blue thus the closer to earth the lighter the
c. Oxygen is blue in color
d. The blue color in sunlight is scattered by the atmosphere.
9. What causes light waves to scatter throughout the atmosphere?
a. molecules in the atmosphere b. birds flying throught ha air
c. the gravitational pull of the sun d. wavelength
10. Why does the bottom of a lake not freeze in severe winter even wh
surface is all frozen?
a. The water has a large specific heat
b. The conductivity of ice is low
c. The water has large latent heat of fusion
d. The temperature of the earth at the bottom of the lake is high​