Factors Controlling Weather Flashcards
1
Q
What is high pressure?
A
When cold air sinks.
2
Q
What are the weather systems on our planet driven by?
A
Energy from the sun.
3
Q
Does warm or cold air hold more water vapour?
A
Warm air.
4
Q
Describe the steps in how it rains:
A
Warm air rises
Condensation occurs an clouds form
Water droplets become too big/heavy to be held up
Water droplets fall as precipitation/rain
5
Q
How does air pressure travel?
A
From high to low pressure.
6
Q
What is low pressure?
A
When warm air rises and becomes less dense.
7
Q
What is humidity?
A
The total amount of water vapour in the atmosphere.
8
Q
What is atmospheric pressure?
A
The total weight of the air above us.
9
Q
What is the weight of one cubic metre of air at sea?
A
1.2 kg
