Other questions in this quiz

2. When did the Big Bang occur?

  • 13.7 million years ago
  • 1,370 million years ago
  • 13,700 million years ago
  • 137 million years ago

3. A group of similar waves ordered by frequency or wavelength?

  • Atrium
  • Wavrum
  • Spectrum
  • Datum

4. What happens to sound waves emitted from a police car moving towards you?

  • Their frequency appears increased, so their pitch increases
  • They move faster, so their pitch increases
  • Their wavelength appears increased, so their pitch increases
  • Their amplitude appears increased, so their pitch increases

5. How do scientists explain Red Shift?

  • The universe is rotating about an axis
  • The entire universe is collapsing
  • The entire universe is expanding
  • The universe will eventually collapse

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