Why is stevenson's screen painted in white?
to reflect heat
Name the 2 liquid inside the modern thermometer.
silvery liquid metal called mercury or red colour spirit.
Who invented Fahrenheit scale?
Gabriel Fahrenheit
Spell the name this picture and say what this instrument use for.
six's thermometer
Spell the name this picture and say what this instrument use for.
barometer
The best times to take temperature readings are...................
6:00 am, 12:00 pm (Noon), 6:00 pm, 12:00 am (midnight)
Why is Stevenson's screen placed about 1 m high from the ground?
because the heat from the ground might disturb the temperature reading.
Who invented the simple kind of thermometer?
An Italian Astronomer Galileo
Name 5 the temperature controlling factors....
altitude, distance from the sea, wind, cloudiness and rainfall
What is the best location to place the Stevenson's screen?
In an open grass field
The Liquid inside the thermometer will ........................ or .................... up when it is heated.
expand or rise
Who invented the Celsius Scale?
a Swedish scientist Ander Celsius
The temperature given by weathermen are all .................. temperature from the outdoor thermometer which are kept inside the special slatted box.
shade
Why is Stevenson's screen fitted with louvers or shutters?
to allow the free circulation of the air
Freezing point of water in both C and F
0*C and 32* F
Mention 3 instruments put inside the Stevenson's screen
six's thermometer, hygrometer, barometer
Lines of equal temperature are called...................... . You need to spell it out too.
Isotherms
Spell the name this picture and say what this instrument use for.
hygrometer
The moder thermoemter is a sealed glass tube with a ............ at one end.
bulb
Mention the normal human blood temperature in both Celsius and Fahrenheit.
36.8*C and 98.4* F
The liquid inside the thermometer will ................ or ........... down when it is cool.
contract, goes
What is this? How do we spell this? What is the job of this instrument?
thermometer