Climate

Question 1

Maximum - minimum temperature

Answer 1

Consist of u shape capillary tube with two separate temperature reading
In the u shape capillary is mercury, which is pushed around by expansion
As the mercury moves, it pushes the 2 small steel marks in the tube and they record the furthest point reached by mercury
When temperature reverses, the marks remain in the tube at the furthest point they have been pushed to
At any given time, both thermometers should record the same temperature

Question 2

Anemometer

Answer 2

Measure wind speed
Place on top of buildings so they a not protected by the wind
Consists of 3-4 cups, which rotates freely

Question 3

Wind vane

Answer 3

Direction of the wind - compass are used to give wind direction
Place on top of buildings so they are fully exposed to the wind
When the wind glows, the arm swings until the pointer face the

Question 4

Rain gauge use

Answer 4

Measure rainfall - mm
Place on grass because if on concrete, water can be splash into them
Check regularly - each day - to avoid evaporation
He rain goes into the funnel and then into the container
Then is measured with measuring cylinder