Atmosphere bingo

Exercise and reference answers

Clues and terms

1. Clue

   Lowest layer, holding about 75 per cent of gases and all weather

   Item

   Troposphere

2. Clue

   Layer from about 17 km to 50 km where temperature rises with height

   Item

   Stratosphere

3. Clue

   Layer above the stratosphere and below the thermosphere

   Item

   Mesosphere

4. Clue

   Outermost of the four layers named in the classification

   Item

   Thermosphere

5. Clue

   The fall of about 0.6 degrees Celsius for every 100 m of ascent

   Item

   Lapse rate

6. Clue

   Approximate depth of the lowest layer measured at the equator

   Item

   17 km

7. Clue

   Approximate depth of the lowest layer measured at the poles

   Item

   9 km

8. Clue

   Inert gas present in the atmosphere alongside oxygen and carbon dioxide

   Item

   Argon

9. Clue

   Gaseous water concentrated in the lowest layer, alongside dust

   Item

   Water vapour

Instructions

Read the call, then tap the layer or term it names. Three in a line wins.