Winds, storms and cyclones Class 7 worksheet

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Winds, storms and cyclones  Class 7 worksheet 

´╗┐winds, storms and cyclones. Download Winds, storms and cyclones  Class 7 worksheet based on the latest CBSE syllabus including, MCQ on winds storm and cyclone, answer in one word, define, long questions, and more. 

Winds, storms and cyclones (Points to remember)

Wind: A moving air is called wind. Air when moves with high speed, it is called storm

Air pressure: The pressure exerted by air is known as air pressure

Air current: Air moving from an area of high pressure to an area of low pressure.

Cyclone: Cyclone is a powerful circular storm formed over the low-pressure area. They can be around 80 to 200 km in diameter and they are usually formed in warm and wet condition, which are generally found near the equator, over the warm water of oceans. Cyclone are also known as hurricanes or typhoons.

Monsoon winds: Rain bearing winds from sea to land

Thunderstorm: A storm accompanied by a strong wind, rain and lightning.

We see that the increased wind speed is, indeed, accompanied by a reduced air pressure. when air moves, it is called wind. Air moves from the region where the air pressure is high to the region where the pressure is low. The greater the difference in pressure, the faster the air moves.

heating the air expands and occupies more space. When the same thing occupies more space, it becomes lighter. The warm air is, therefore, lighter than the cold air. That is the reason that the smoke goes up. In nature, there are several situations, where warm air rises at a place. The air pressure at that place is lowered. The cold air from the surrounding areas rushes in to fill its place. This sets up convection in air.

In summer, near the equator, the land warms up faster and most of the time the temperature of the land is higher than that of water in the oceans. The air over the land gets heated and rises. This causes the winds to flow from the oceans towards the land. These are monsoon winds. In winter, the direction of the wind flow gets reversed; it flows from the land to the ocean.


Thunderstorms develop in hot, humid tropical areas like India very frequently. The rising temperatures produce strong upward rising winds. These winds carry water droplets upwards, where they freeze, and fall down again. The swift movement of the falling water droplets along with the rising air creates lightning and sound. It is this event that we call a thunderstorm.

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