Fluids bingo

Exercise and reference answers

Clues and terms

1. Clue

   Normal force per unit area.

   Item

   Pressure

2. Clue

   SI unit of pressure, named after a French scientist.

   Item

   Pascal

3. Clue

   Excess of pressure over atmospheric at a depth.

   Item

   Gauge pressure

4. Clue

   Mercury tube inverted in a trough to measure air pressure.

   Item

   Barometer

5. Clue

   Upward push equal to the weight of displaced fluid.

   Item

   Buoyant force

6. Clue

   Path of a particle in steady flow.

   Item

   Streamline

7. Clue

   Constricted tube that measures flow speed.

   Item

   Venturi meter

8. Clue

   Internal friction between fluid layers.

   Item

   Viscosity

9. Clue

   Extra energy of molecules at a liquid surface.

   Item

   Surface energy

Instructions

Read each clue and tap the term it describes.

Explanation