LESSON 15 TOPIC: CYCLONES

A cyclone develops in-

• hot and humid weather on land

• hot and humid weather over sea

Hot air rises up creating a -

• high pressure area

• low pressure area

A cyclone consists of a-

• high pressure region with low pressure around.

• low pressure region with high pressure around.

The centre of the storm is a calm cloudless area called-

• eye

• iris

A cyclone is a large scale air mass that rotates around a strong center of low atmospheric pressure.

• It is correct.

• It is incorrect.

a cyclone refers to any low pressure area with winds spiralling inwards. .

• True

• False

a tropical cyclone looks like a huge disk of clouds. The disk can be .....kilometers across.

• 120

• 200

Within the storm, high-speed winds move in a ............... around a calm center, called the ...........

• vertical, nose

• spiral, eye

• oval, mouth

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Tropical cyclones get their energy from warmth and ...........

that rise from the ocean surface. When the storm passes over colder waters or a large land area, it loses its source of energy. The storm then dies.

• dry air

• moisture

Tropical cyclones have different names around the world. Those that form near North America and the Caribbean are called .................... Those that form near the Philippines, Japan, and China are known as ................. Those near Australia and in the Indian Ocean are often called .................

• cyclones, hurricanes , typhoons

• cyclones, typhoons , hurricanes ,

• hurricanes , typhoons, cyclones,