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Презентация на тему Tornadoes

Содержание

2. Tornadoes are natural disasters characterized by a
3. Tornadoes are ranked on a scale based
4. Tornadoes Violent winds created by thunderstorms, tornadoes
5. Tornadoes can be so fast and strong
6. . Tornadoes can be extremely frightening for
7. Formation Tornadoes are usually the result of
8. When the wind picks up speed and
9. This effect starts off in a horizontal
10. When and Where Tornadoes are more common
11. Speed and Damage The amount of damage
12. A F0 tornado travels at between 40
13. Preparation Individuals should listen to advice given
14. It's useful for individuals to know ahead
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16. Похожие презентации

Tornadoes are natural disasters characterized by a dark, funnel-shaped cloud made of rotating winds. The most violent tornadoes can reap massive amounts of destruction, with wind speeds that can reach 250 to 300 mph.

Tornadoes ГБОУ СОШ № 298Учитель: Мирошниченко Ирина АлексеевнаУМК Spotlight The 8th form

Tornadoes are ranked on a scale based on how much damage they

Tornadoes Violent winds created by thunderstorms, tornadoes look like funnels and rotate

Tornadoes can be so fast and strong that when they appear on

. Tornadoes can be extremely frightening for children, but possessing some information

Formation Tornadoes are usually the result of thunderstorms, which happen when warm

When the wind picks up speed and changes direction, this can cause

This effect starts off in a horizontal direction, but soon becomes vertical

When and Where Tornadoes are more common at certain times of year;

Speed and Damage The amount of damage a tornado can cause depends

A F0 tornado travels at between 40 and 72 miles an hour,

Preparation Individuals should listen to advice given by local authorities about tornadoes.

It's useful for individuals to know ahead of time where to head

Most weak tornadoes last 10 minutes or less, traveling short distances. Violent

Слайды презентации

Слайд 2 Tornadoes are natural disasters characterized by a dark,

Tornadoes are natural disasters characterized by a dark, funnel-shaped cloud made

funnel-shaped cloud made of rotating winds. The most violent

tornadoes can reap massive amounts of destruction, with wind speeds that can reach 250 to 300 mph.

Слайд 3 Tornadoes are ranked on a scale based on

Tornadoes are ranked on a scale based on how much damage

how much damage they cause, such as overturned cars

and destroyed buildings. By knowing this scale, you can better understand what kind of damage a certain tornado has caused.

Слайд 4 Tornadoes
Violent winds created by thunderstorms, tornadoes look

Tornadoes Violent winds created by thunderstorms, tornadoes look like funnels and

like funnels and rotate around an area at high

speeds.

Слайд 5 Tornadoes can be so fast and strong that

Tornadoes can be so fast and strong that when they appear

when they appear on the ground, they can damage

anything in the way, including buildings and cars.

Слайд 6 . Tornadoes can be extremely frightening for children,

. Tornadoes can be extremely frightening for children, but possessing some

but possessing some information about why tornadoes happen and

how they can protect themselves may prove reassuring.

Слайд 7 Formation
Tornadoes are usually the result of thunderstorms, which

Formation Tornadoes are usually the result of thunderstorms, which happen when

happen when warm air and cool air from different

parts of the country meet in the atmosphere.

Слайд 8 When the wind picks up speed and changes

When the wind picks up speed and changes direction, this can

direction, this can cause a spinning effect to occur

in the atmosphere, which is invisible to onlookers but can be a few miles wide.

Слайд 9 This effect starts off in a horizontal direction,

This effect starts off in a horizontal direction, but soon becomes

but soon becomes vertical thanks to rising air. Tornadoes

are then created inside this area of rotation.

Слайд 10 When and Where
Tornadoes are more common at certain

When and Where Tornadoes are more common at certain times of

times of year; for example, in the southern U.S.,

tornadoes are more likely to appear between March and May.

Слайд 11 Speed and Damage
The amount of damage a tornado

Speed and Damage The amount of damage a tornado can cause

can cause depends on how fast it's traveling. The

speed of a tornado is measured on a scale, and given a number, from zero to five, to indicate its strength, with five being the strongest.

Слайд 12 A F0 tornado travels at between 40 and

A F0 tornado travels at between 40 and 72 miles an

72 miles an hour, and will generally cause only

minor damage to roofs of houses, for example. A F5 tornado, on the other hand, can travel at as much as 318 miles an hour and can blow whole buildings away.