A2L Item 303
- Description:
- Goal:
- Source:
- Keywords: Waves
The question for students:
The sky appears to be blue during the day because:
- Air absorbs blue light less than any other frequency
- Air molecules emit blue light after being struck by sunlight
- The sky reflects blue light from the oceans
- The temperature high in the Earth’s upper atmosphere is 1000K
- None of the above
Commentary for teachers:
No commentary available.