Question

What is evaporation? How does temperature and wind effect evaporation?

Answer 1

Evaporation is the process of liquid changing into vapours even below its boiling point.

• There are different factors which affect the rate of evaporation

1. Temperature
2. Surface area
3. Humidity
4. Wind speed.

Effect of temperature on rate of evaporation:

• Water can also evaporate at low temperatures, the rate of evaporation increases with increase in the temperature.
• Because the molecules move at a faster rate at high temperatures the surface molecules have enough energy to break away from liquid to vapour.

Effect of wind speed on evaporation:

• Increasing the wind speed increases the evaporation rate.
• When the speed of wind increases the vapour particles move away, this leads to increase in the amount of water vapour in the atmosphere.