Critical Thinking Activities - Chapter 10

  1. Why does food taste differently when you have a stuffed nose?

  2. If you hear two loud sounds from the same whistle separated by a short time interval, why does the second one seem quieter?

  3. At night, what color of light is used in the area of a submarine where the periscope is?

  4. If you are looking at a faint star at night, is it best to look directly at it or a little to the side of its expected position?

  5. Most stars are colorful: red, green, blue, or violet. Why canít we see any of these lovely colors here on earth unaided?

Answers

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