Grade VII Physics ''Winds, Storms and Cyclones''

The horizontal movement of air caused by the differences in air pressure

• jet stream
• monsoon
• wind chill factor
• wind

A land breeze flows from the sea to the land

• true
• false

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

What is the name given to the wind blowing from sea to land?

• Thunderstorm

• Land breeze

• Sea breeze

• Cyclone

Which of the following plays an important role in the early-warning systems for cyclones?

• Helicopters

• Submarines

• Satellites

• Stars

A Violent tornado travel at a speed of about

• 100 km/h

• 200 km/h

• 300 km/h

• 50 km/h

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