Answer the following,
1. What is weather? What causes changes in weather?
2. What is wind? How are winds caused?
3. What do you understand by land breeze and sea breeze?
4. Name the factors that affect rate of evaporation,
5. Explain the terms dew, fog, frost, snowfall and hailstones,
Answers
Answer:
1) Daily changes in the weather are due to winds and storms. Seasonal changes are due to the Earth revolving around the sun. What causes weather? ... These differences in temperature create a restless movement of air and water in great swirling currents to distribute heat energy from the Sun across the planet.
2) Wind is the movement of air, caused by the uneven heating of the Earth by the sun and the Earth's own rotation. Winds range from light breezes to natural hazards such as hurricanes and tornadoes. ... Wind is the movement of air caused by the uneven heating of the Earth by the sun
3) Land and sea breezes are wind and weather phenomena associated with coastal areas. A land breeze is a breeze blowing from land out toward a body of water. A sea breeze is a wind blowing from the water onto the land. Land breezes and sea breezes arise because of differential heating between land and water surfaces.
4) Liquids changes into vapour by the process of evaporation. The factors that affect the rate of evaporation of liquids are temperature, surface area, wind speed, and humidity.
5) Cooling by contact with a cold surface produces dew, frost or fog depending on other atmospheric conditions. But the effect of cooling produced by radiation, conduction and mixing is confined to a thin layer of the atmosphere. The non-adiabatic processes of cooling produce only dew, fog or frost.
Explanation:
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