CLOUD OBSERVERS QUIZ

TESTING

THE

‘OLD GREY MATTER’

There are fifteen questions in total,groups of five with the answers on the consecutive slide.

When ready, click to advance.

01. Which of these revolving weather systems is the smallest – hurricane, typhoon, tropical cyclone or

tornado?

02. What colour of a single rainbow is on the inside of the rainbow’s arc, given the generally defined

seven- colour rainbow?

03. Okta was a unit of measurement for what?

04. What common term refers to the amount of water vapour that is held in the air?

05. Treasure Island author Robert Louis Steven’s father was responsible for what significant

weather-related invention?

1. TORNADO

2. VIOLET

3. CLOUD COVER

4. HUMIDITY

5. STEVENSON SCREEN

06. What shipping forecast area lies immediately South of Forties off the British Isles?

07. What is the circulating Atlantic Ocean current which warms Western Europe?

08. What are the narrow bands of strong winds called which move around the world between

about six and twelve miles high?

09. Towards which direction (North, East, South or West) is a rainbow normally seen in the

afternoon?

10. What cloud term means ‘sheet’ or ‘sheetlike’ or layer?

06. DOGGER

07. THE GULF STREAM

08. JET STREAMS

09. EAST

10. STRATUS

11. In the Northern hemisphere an area of low pressure produces what wind direction?

12. What number does ‘storm’ equate to on the Beaufort Scale of wind force?

13. What is minus 40 degrees Farenheit expressed as degreesCentigrade?

14. What are cirrus clouds made of?

15. What is a radiosonde?

11. ANTI-CLOCKWISE

12. TEN

13. MINUS 40, THE SAME

14. PARTICLES OF ICE

15. A LIGHTWEIGHT PACKAGE OF WEATHERINSTRUMENTS FITTED WITH A

RADIO TRANSMITTER AND CARRIED UP INTO THE

ATMOSPHERE BY A BALLOON

Compiled by MIS on behalf of Cloud Observers 2010