Ch-8 Winds, storms and cyclones

A dark funnel shaped cloud that reaches from the sky to the ground is

• Hurricane

• Tornado

• Typhoon

• Thunderstorm

Increased wind speed is accompanied by

• No change in temperature

• Reduced pressure

• Increased pressure

• No change in pressure

Which part of the earth gets the maximum amount of sunlight?

• North Pole

• South Pole

• Equator

• Tropics

Which effect is created by high speed winds?

• High pressure

• Lightning

• Rains

• Low pressure

What happens to air on heating?

• It contracts

• It expands

• Moves down

• Stops moving

What is another name for cyclone in japan ?

• Tornadoes

• Typhoon

• Hurricane

• Thunderstorm

The instrument that measures the wind speed in a cyclone is

• Anemometer

• Barometer

• Thermometer

• Ammeter

Which of these correctly defines wind?

• Moving air

• Hot air

• Humid air

• Cold air

Which of these statements about air is incorrect?

• Air occupies space

• Cold air is lighter than warm air

• Air exerts pressure

• All of these

Winds are generated due to _________________ heating of the earth.