WHY does the wind blow? When the sun warms the air, the air becomes lighter and rises.
Colder air is heavier so it falls.
These movements, hot air rising and cold air descending, are continuous.
Wind is formed by the process of hot air rising and cold air falling to take the place of the hot air.
By carefully watching the formation of winds, weather experts can predict weather conditions in different parts of the world.
The Big Book of Knowledge, Watson Brown
Winds guide to weather
WHY does the wind blow? When the sun warms the air, the air becomes lighter and rises.
Colder air is heavier so it falls.
These movements, hot air rising and cold air descending, are continuous.
Wind is formed by the process of hot air rising and cold air falling to take the place of the hot air.
By carefully watching the formation of winds, weather experts can predict weather conditions in different parts of the world.
The Big Book of Knowledge, Watson Brown
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