Match the items in Column A with the items in column B. Column A Column B 1. Anemometer a. Wind direction 2. Centre of cyclone b. Speed of wind 3. Tornado c. Hurricane 4. Cyclone d.Funnel-shaped 5. Rotation of the Earth e. Eye

1. Anemometer- b. Speed of the wind Anemometer is an instrument that measures the speed of the wind and its direction. Wind pressure also can be measured with some types of Anemometers. 2.Centre of the cyclone - e. Eye The Centre of the cyclone is called the eye. The pressure is low in that region. It is a calm and cloud-free region. 3.Tornado - d. Funnel shaped Tornado is a funnel-shaped cloud. It is a whirling wind circling around the low-pressure centre. A tornado is a rotating mass of winds and clouds with a heavy wind speed extended from the ground to a certain height. 4. A cyclone - c. Hurricane A cyclone is called a hurricane in the American continent. Cyclones are huge revolving storms caused by the winds blowing around a central area of low pressure. 5. Rotation of earth - a. Wind direction Rotation of the earth affects the wind direction. The earth rotation prevents winds to travel straight path. Column A Column B 1. Anemometer b. Speed of wind 2. Centre of cyclone e. Eye 3. Tornado d.Funnel-shaped 4. Cyclone c. Hurricane 5. Rotation of the Earth a. Wind

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Frank Everyday Science>Chapter 8 - Wind, Storm and Cyclones>Quiz time>Q C

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The movement of hot and cold air is known as convection current.

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Important Questions on Wind, Storm and Cyclones

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7th CBSE

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Frank Everyday Science>Chapter 8 - Wind, Storm and Cyclones>Quiz time>Q C

A tornado is a whirling wind circling around a high pressure centre.

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Frank Everyday Science>Chapter 8 - Wind, Storm and Cyclones>Let's revise>Q A

Envelope of air surrounding the Earth’s surface is called _____.

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Frank Everyday Science>Chapter 8 - Wind, Storm and Cyclones>Let's revise>Q A

Air _____ on heating.

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Frank Everyday Science>Chapter 8 - Wind, Storm and Cyclones>Let's revise>Q A

An alternative movement of hot and cold air is called _____ current. Choose from: (conduction, convection, radiation)

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Frank Everyday Science>Chapter 8 - Wind, Storm and Cyclones>Let's revise>Q A

_____ are warm moist winds blowing from the sea to the land. (Summer monsoon winds/Land breeze)

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Frank Everyday Science>Chapter 8 - Wind, Storm and Cyclones>Let's revise>Q A

_____ is a whirling wind, circling around a low-pressure center.

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Frank Everyday Science>Chapter 8 - Wind, Storm and Cyclones>Let's revise>Q B

Match the items in Column A with the items in column B.

Column A	Column B
1. Anemometer	a. Wind direction
2. Centre of cyclone	b. Speed of wind
3. Tornado	c. Hurricane
4. Cyclone	d.Funnel-shaped
5. Rotation of the Earth	e. Eye