Podcast
Questions and Answers
Why does the sky appear blue?
Why does the sky appear blue?
- Due to the scattering of sunlight by the gases and particles in the atmosphere (correct)
- As a result of the Earth's magnetic field
- Because of the presence of water vapor in the atmosphere
- Because the sky reflects the color of the oceans
What causes the change in the color of multiple plastic sandwich bags?
What causes the change in the color of multiple plastic sandwich bags?
- The reflection of light
- The scattering of light (correct)
- The absorption of light
- The refraction of light
Why did Doug have plastic sandwich bags with him?
Why did Doug have plastic sandwich bags with him?
- To demonstrate the change in color when multiple bags are stacked (correct)
- To store food items
- To dispose of them properly
- To show their transparency
What was the question Celine's class had for Doug?
What was the question Celine's class had for Doug?
What did Doug ask the viewers to do before answering the question about the sky?
What did Doug ask the viewers to do before answering the question about the sky?
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