Q1
Cyclones typically form over:
Awarm ocean waters
Bcold mountains
Cdry deserts
Dfrozen lakes
CBSEClass 8 (CBSE)ScienceCh 6 · Topic 2
Storms and Cyclones
Learning how storms and cyclones form and their safety precautions.
Core concept
Cyclones can cause severe damage through powerful winds, heavy rainfall, and storm surges (a sudden rise in sea level) when they make landfall. Modern satellite technology and weather forecasting allow meteorologists to track cyclones and issue warnings well in advance, giving communities time to prepare. Safety precautions during a cyclone include staying indoors away from windows, securing loose outdoor objects, keeping emergency supplies ready, and following evacuation orders from local authorities if issued.
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CBSE class 8 storms and cyclones
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• Cyclones form over warm ocean waters due to rising warm, moist air creating low pressure.
• The Coriolis effect (from Earth's rotation) causes cyclone winds to spin.
• Cyclones can cause damage through winds, rainfall, and storm surges.
• Safety measures: stay indoors, secure loose objects, follow evacuation orders.