Geog 2.3

Question 1

Explain low pressure weather

Answer 1

in low pressure weather, warm air rises at around Point A. So the pressure falls at Point A. But warm air rising means that clouds form, and clouds lead to rain. Meanwhile, at Point B the air pressure is higher. So air rushes from Point B to A as wind.

Question 2

Explain high pressure weather

Answer 2

In high pressure weather, warm air rises at Point X. So cold air gets pushed inside and far away at Point Y, it sinks. This causes the air pressure at Y to rise. Now Y has high pressure. As the cold air sinks it warms up. So no water vapour condenses and no clouds form over Point Y. The sky stays clear.

Question 3

describe high pressure in summer

Answer 3

it is very hot during the day and very cold at night., it is pleasant in the evenings.
In land regions it is very hot leading to thunderstorms, heavy rain and flooding. A fall in air pressure is a sign of rain and wind.

Question 4

describe high pressure in winter

Answer 4

At night, frost and fog is formed so it is dangerous to drive. pipes may burst and homes may get flooded.

Question 5

what is wind

Answer 5

horizontal movements of air blowing from high to low pressure region

Question 6

what is air pressure

Answer 6

the downward force exerted by the weight of the air per unit area on the earth’s surface,