ГДЗ по английскому языку 8 класс Ваулина, Дули, Подоляко, Эванс - ответ страница 86
Авторы: Ваулина Ю.Е., Дули Д., Подоляко О.Е., Эванс В.
Серия: Spotlight
Тип книги: Учебник
Год: 2016-2025
Премиум
Science
1 Tornadoes
A) .....
Tornadoes are one of nature’s most violent storms, and they happen in various parts of the world. They can form at any time of the year, although many occur in the spring.
B) .....
A tornado is a spinning, whirling wind. When it meets with cold air it takes the shape of a long funnel or tube, reaching down from a large cloud. It is formed when warm air near the earth’s surface rises and meets with cold air. When the weather conditions are right, this warm air starts to twist as it rises, getting faster and stronger. It is a bit like watching water disappear down the plughole in your bathtub. If this huge, twisting rope of air hits the ground, it may cause great damage. Tornadoes can reach speeds of more than 250 mph, ripping roofs from houses, uprooting trees, and tossing heavy objects like cars in the air.
C) .....
In 1971, a meteorologist named Theodore Fujita developed a scale to show how strong tornadoes are. His scale goes from FO to F5. It doesn’t calculate strength based on wind speeds but the damage a tornado causes to homes and other buildings.
2 Hail
D) .....
Hailstones are lumps of ice. They can be as small as peas or as big as cricket balls! In Kansas, USA, a hailstone fell that was 44.5 centimetres across!
E) .....
Hail is formed when raindrops start to fall. Before they reach the ground, they are blown up into the clouds again by strong winds. There they freeze into balls of ice and the wind in the clouds bounces them up and down. As the frozen raindrops rise and fall like this, they get even more thickly covered in ice from the water inside the clouds. Eventually, they get so heavy that they fall to the ground as hail.
F) .....
When big hailstones fall, they make quite a noise hitting roofs and pavements. Cars and buildings are damaged, and plants and crops are destroyed. Driving during a hailstorm is also very dangerous, as the roads become slippery.
Reading
1. a) Look at the pictures. Have you ever seen/experienced either of these extreme weather phenomena?
b) How does each extreme weather phenomenon occur? Read through and check.
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