In deze les zitten 46 slides, met interactieve quizzen, tekstslides en 2 videos.
Lesduur is: 25 min
Onderdelen in deze les
How Tsunamis Work
Slide 1 - Tekstslide
What to do?
You're going to watch a short video explaining how tsunamis work. Afterwards you'll answer a few questions about the video, make sure you pay attention!
Slide 2 - Tekstslide
What do you need?
- laptop
- headphone
- dictionary (ask your teacher)
Slide 3 - Tekstslide
VOCABULARY
Before you're going to watch the video, you're going to look up some difficult words that are used in the video. Make sure you use your dictionary.
Slide 4 - Tekstslide
Translate (Dutch) and explain (English) what the word means: to retreat
Slide 5 - Open vraag
Translate (Dutch) and explain (English) what the word means: gravity
Slide 6 - Open vraag
Translate (Dutch) and explain (English) what the word means: to level
Slide 7 - Open vraag
Translate (Dutch) and explain (English) what the word means: trough
Slide 8 - Open vraag
Translate (Dutch) and explain (English) what the word means: crest
Slide 9 - Open vraag
Translate (Dutch) and explain (English) what the word means: debris
Slide 10 - Open vraag
Translate (Dutch) and explain (English) what the word means: to besiege
Slide 11 - Open vraag
Translate (Dutch) and explain (English) what the word means: alert
Slide 12 - Open vraag
Translate (Dutch) and explain (English) what the words mean: to divert
Slide 13 - Open vraag
Translate (Dutch) and explain (English) what the words mean: to originate
Slide 14 - Open vraag
Translate (Dutch) and explain (English) what the word means: convenient
Slide 15 - Open vraag
Translate (Dutch) and explain (English) what the word means: wrath
Slide 16 - Open vraag
Translate (Dutch) and explain (English) what the word means: surface
Slide 17 - Open vraag
Translate (Dutch) and explain (English) what the word means: wave shoaling
Slide 18 - Open vraag
Next activity
In the next slide you will watch a video, listen carefully!
You'll have to answer a few questions about the contents.
Slide 19 - Tekstslide
Slide 20 - Video
Tsunamis are commonly known as ________
A
huge waves
B
tidal waves
C
catastrophic waves
D
big waves
Slide 21 - Quizvraag
Ocean waves are limited in their ___ and ___.
A
size and speed
B
dimensions and pace
C
height and velocity
D
magnitude and rate
Slide 22 - Quizvraag
An earthquake on the ocean floor is caused when the ___ ___ of the Earth's surface slip.
A
enormous pieces
B
massive segments
C
giant sections
D
tectonic plates
Slide 23 - Quizvraag
This energy travels up to the surface, ___ water and raising it above the normal sea level.
A
compressing
B
evaporating
C
displacing
D
absorbing
Slide 24 - Quizvraag
Because there is less water to move through, this massive amount of energy is ___.
A
dissolved
B
absorbed
C
compressed
D
evaporated
Slide 25 - Quizvraag
Tsunami means “___ ___” in Japanese.
A
harbor wave
B
ocean surge
C
seismic wave
D
tidal wave
Slide 26 - Quizvraag
The 2004 Indian Ocean tsunami was one of the deadliest ___ ___in history.
A
traffic accidents
B
natural disasters
C
volcanic eruptions
D
celebrations
Slide 27 - Quizvraag
When nature is too powerful to stop, the ___ ___ is to get out of its way.
A
silliest option
B
most dangerous option
C
safest course
D
least effective strategy
Slide 28 - Quizvraag
True or false?
You're going to watch the video again and choose whether the given statements are true or false.
Good luck!
Slide 29 - Tekstslide
Slide 30 - Video
The Persian soldiers who were trying to invade Potidaea were drowned by a tsunami.
A
True
B
False
Slide 31 - Quizvraag
Tsunamis are caused by the gravitational pull of the Moon and Sun.
A
True
B
False
Slide 32 - Quizvraag
Tsunamis have low and high points just like regular waves.
A
True
B
False
Slide 33 - Quizvraag
Normal ocean waves only involve motion of the uppermost layer of the water.
A
True
B
False
Slide 34 - Quizvraag
The energy that causes normal ocean waves comes from underwater.
A
True
B
False
Slide 35 - Quizvraag
An earthquake on the ocean floor is the most common cause of a tsunami.
A
True
B
False
Slide 36 - Quizvraag
A tsunami can be easily noticed even when it is far from the shore.
A
True
B
False
Slide 37 - Quizvraag
When a tsunami approaches the coast, it travels faster.
A
True
B
False
Slide 38 - Quizvraag
A tsunami can travel a mile or more into the mainland.
A
True
B
False
Slide 39 - Quizvraag
The wall surrounding the power plant in Fukushima was high enough to protect it from the tsunami.
A
True
B
False
Slide 40 - Quizvraag
Evaluation
Show us you understand the words that you learned in this LessonUp en from the TED Ed video.
Slide 41 - Tekstslide
1. 1. The _____________ of the situation became apparent as the consequences grew more severe..
2. After the storm, the beach was covered in _____________ from the wreckage.
3. To avoid traffic, we decided to _____________ our route and take the scenic road instead.
retreat
gravity
level
trough
debris
besiege
alert
divert
originate
crest
Slide 42 - Sleepvraag
1. The soldiers decided to _____________ when they realized they were outnumbered.
2. 4. The tradition of storytelling can _____________ from ancient cultures.
3.The wave reached its _____________ just before crashing onto the shore.
retreat
gravity
level
trough
debris
besiege
alert
divert
originate
crest
Slide 43 - Sleepvraag
1. The government needed to _____________ the river to prevent flooding in the town.
2. The enemy army planned to _____________ the castle until it surrendered.
3. The weather service issued a severe storm _____________ for the region.