
Tsunami
Presentation
•
English, Science, Other
•
9th Grade
•
Hard
Alaura D
Used 10+ times
FREE Resource
18 Slides • 15 Questions
1
Tsunami
Let's learn about Tsunami(s)
2
What is a tsunami?
A tsunami is a series of large ocean waves.
"Series" means more than one.
Tsunamis move very quickly
They are a natural disaster
自然災害
3
Multiple Choice
Tsunamis are not faster than ocean waves, they are just bigger.
津波は海の波より速くはなく、ただ大きいだけです。
True
False
4
Speed
Tsunamis are MUCH faster than wind waves
They can reach the speed of a jet airplane
They are often the same size or shorter than wind waves in height
They are much longer than wind waves.
5
Multiple Select
Which of these can cause a tsunami? More than one correct answer.
これらのどれが津波を引き起こす可能性がありますか? 複数の正解。
Earthquake 地震
Landslide 地すべり
Volcanic Eruption 火山噴火
Strong winds 強風
6
A tsunami is caused by a disturbance that reaches deep under water, usually at the ocean floor.
Earthquakes, Landslides, Volcanoes, and Meteorites can cause a tsunami.
7
Multiple Choice
True or False
The gravitational pull of the moon can cause a tsunami.
月の重力は津波を引き起こす可能性があります。
True
False
8
Strong wind and the moon cause tidal waves (高潮)
They are not strong enough to cause a tsunami.
They only disturb the surface of the water.
9
Ripples
Tsunami waves come from where a large body of water has been moved.
What happens when you drop a rock into a pond?
You get ripples.
It's the same in the ocean, but much bigger.
10
NOVA Video
Let's watch a video on the formation of Tsunamis
11
Where do tsunamis occur?
Tsunamis can occur anywhere there are large oceans
They most frequently occur in the Ring of Fire (環太平洋火山帯)
The Ring of Fire literally translates to 火 の 環
The Ring of Fire is an area that circles the edges of the pacific ocean.
It is called the Ring of Fire because there are many volcanoes. 75% of the world's volcanoes and 90% of its earthquakes are from here.
12
13
Multiple Choice
The most common cause of tsunamis are underwater earthquakes caused by....
津波の最も一般的な原因は(______)によって引き起こされる海底地震です
Volcanoes 火山
Earth's Plates Movement プレートの動き
Meteorites 隕石
14
Plate Tectonics
プレートテクトニクス
Subduction 沈み込み
One of Earth's plates hits another, and is forced under it.
This causes an earthquake deep underwater.
This disturbance can cause a tsunami.
15
Multiple Choice
As a tsunami gets closer to land, it becomes....
津波が陸に近づくにつれて、津波は _________なります
Faster, but with smaller waves
Slower, but with higher waves
16
Shoaling 浅瀬波
As a tsunami wave approaches land, it moves into shallow water.
The front of the wave loses speed. But it does not lose kinetic energy (運動エネルギー)
The waves move from horizontal (long) to vertical (high) positions.
17
Multiple Choice
Which of the following is NOT a warning sign of a tsunami.
次のうち、津波の警告サインではないものはどれですか。
Tsunami Early Warning 津波警報
Loud sounds, like a freight train
貨物列車のような音
Quickly receding shoreline
異常な速さで潮が引
The wind suddenly changes direction
風が突然方向を変える
18
Warning Signs
A large earthquake
Receding shoreline
Animals running away
A loud sound, like a plane or train
However, there may be none of these signs.
Listen for the Tsunami Warning. Stay informed.
19
Multiple Choice
家にいるときに、大きな揺れを感じて(大地震が発生して)最初 にとる行動として、間違っているのはどれですか?
Which action should you NOT take when you feel a big earthquake at home?
机の下に隠れる。
Hide under the desk.
とりあえず外に出る。
Go outside
使っていた火を消す。
Extinguish a fire
20
とりあえず外に出る
Do not immediately go outside
まず、机の下に隠れたり、頭を守ったりして身の安全を確保します。火を使っているときは、火災の発生を防ぐため消しますが、揺れが大きいときは、やけどの危険もあるので、揺れが収まってから消火する等、状況判断が必要です。また、避難経路を確保するため、ドアや窓を開けることもありますが、ガラスが割れてけがをする危険もありますので、気を付けましょう。
21
Multiple Choice
海岸にいるときに地震が発生したら、どうしますか?
What should you do if an earthquake occurs while you are at the beach?
Hurry to check what the sea looks like.
急いで海の様子を見に行く。
Stay and collect information.
その場所から離れず、津波注意報、津波警報等の情報を集める。
Immediately evacuate to a hill or a tall building.
すぐに高台や高い建物に避難する。
22
すぐに高台や高い建物に避難する. Immediately evacuate to a hill or a tall building.
すぐに高台や高い建物に避難する。→ 津波が来るおそれがあるので、すぐに高い場所に避難します。避難したあとは、ラジオやインターネット等で情報を収集し、適切な行動をとります。
If you wait, and a tsunami comes, you are in danger. Evacuate, and then collect information once you are safe.
23
Multiple Choice
津波について、正しいのはどれですか?
Which is correct about tsunamis?
津波は大きな波が一度だけではなく、何度も来ることがある。
海で発生した大地震の時だけ、津波が襲ってくる。
津波は海岸付近では危険であるが、河川付近は危険ではない。
24
津波は、大きな波が一度だけではなく、何度も来ることがある。A tsunami may come many times, not just once.
津波は、1回の波で終わらないで、何度も繰り返し波が来ます。また、初めの波が小さくても、次の波が大きくなることもあるので注意が必要です。津波は、河川をさかのぼってきますので、河川等が氾濫する危険があります。河川にも近づいてはいけません。
25
Multiple Choice
「津波警報」が発表されるとき、予想される津波の高さはどれ ぐらいですか?
What is the expected height of the tsunami when the "Tsunami Warning" is announced?
5mを超える高さ
Height over 5m
1mを超える高さ
Height over 1m
30cmを超える高さ
Height over 30cm
26
1mを超える高さ Height over 1m
「大津波警報」「津波警報」が発表されれば、沿岸部や川沿いにいる人は、ただちに高台や避難ビルなど安全な場所へ避難します。「津波注意報」が発表されれば、海の中にいる人はただちに海から上がって、海岸から離れます。
「大津波警報」 ・・・予想される津波の高さが高いところで3mを超える。
「津波警報」 ・・・予想される津波の高さが高いところで1mを超える。
「津波注意報」 ・・・予想される津波の高さが高いところで0.2m~1m以 内である。
27
Multiple Choice
What was the worst/deadliest Tsunami in recent history?
最近の歴史の中で最悪 の津波は何でしたか?
The Indian Ocean Tsunami in 2004
スマトラ沖地震 / インド洋大津波
The Valdivia Earthquake and Tsunami in 1960
バルディビア地震(津波)
2011 Tōhoku earthquake and tsunami
東日本大震災
28
Worst tsunamis in recent history
2004 Indian Ocean earthquake and tsunami 9.1–9.3 (Mw), 30m waves, 227,898 killed
1960 Valdivia earthquake 9.4–9.6 (Mw), 25m waves 1,000–6,000 killed
2011 Tōhoku earthquake and tsunami 9.0-9.1 (Mw), 40.5m waves, 15,899 deaths (6,157 injured, 2,529 people missing
29
稲むらの火 The Fire of Rice Sheaves
稲むらの火は、1854年(嘉永7年/安政元年)の安政南海地震津波に際しての出来事をもとにした物語。地震後の津波への警戒と早期避難の重要性、人命救助のための犠牲的精神の発揮を説く。
Inamura no Hi is a story based on the events of the 1854 (Kaei 7 / Ansei 1st year) Ansei Nankai earthquake and tsunami. It explains the importance of alerting to the tsunami after the earthquake and early evacuation, and demonstrating a sacrificial spirit to save lives.
30
Multiple Choice
Where did this story take place?
若林区, 宮城県
広川町, 和歌山県,
奥尻町, 北海道,
31
Multiple Choice
What date is World Tsunami Awareness Day?
October 5th
November 5th
December 5th
32
Multiple Choice
What did the village build to protect against future tsunamis?
A dam ダム
A marine buoy 海洋ブイ
A seawall 護岸
33
Open Ended
Please write what you learned about tsunamis and tsunami safety.
津波と津波の安全について学んだことを書いてください。
Tsunami
Let's learn about Tsunami(s)
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