WONDER #213: What Does a Barometer Measure?

Question 1 of 3

Which one of these is not a substance used in barometers to measure atmospheric pressure?

  1. mercury
  2. water
  3. air
  4. salt

Question 2 of 3

The constant force exerted on you by the weight of little particles of air is known as what?

  1. Peer Pressure
  2. Blood Pressure
  3. Air Pressure
  4. All of the above

Question 3 of 3

When air is compressed, it is said to be under what?

  1. low pressure
  2. high pressure
  3. atmospheric pressure
  4. no pressure

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