Causes and Types of Volcanic Eruptions
Phases of a Volcanic Eruption
Safety Measures
Case Study
Random
100
What causes a volcano to erupt?
- a) Moon alignment
- b) Movement of tectonic plates
- c) Changes in the weather
- d) Air pressure variations
- b) Movement of tectonic plates
100
opps!
the previous group will answer again!
100
During an eruption, what is the best way to protect breathing?
- a) Evacuate immediately
- b) Use a wet cloth or mask
- c) Leave the area by foot
- d) Wait outside for fresh air
- b) Use a wet cloth or mask
100
hayyyy
-100
100
Hard
Pass
200
Phreatomagmatic eruptions are triggered when:
- a) Water comes into contact with hot magma
- b) Magma cools rapidly
- c) Tectonic plates collide
- d) Air pressure increases
- a) Water comes into contact with hot magma
200
Which of the following is a sign that a volcanic eruption may occur soon?
- a) Decreased seismic activity
- b) Increased gas emissions
- c) Heavy rainfall
- d) Cool air temperatures
- b) Increased gas emissions
200
naysss:)
+200
200
hehe
-200
200
What is an example of an explosive volcanic eruption?
- a) Mount Kīlauea
- b) Mount St. Helens
- c) Mount Fuji
- d) Mount Vesuvius
.
- b) Mount St. Helens
300
hueyy!!
+300
300
Before an eruption, ___________ activity such as earthquakes may increase.
Seismic
300
Before the eruption, it is important to have emergency ___________ like food, water, and a first aid kit.
Supplies
300
Volcanic eruptions can create new ecosystems as the land recovers. (True/False)
True
300
wao!
+300
400
- 400
400
During the eruption, ___________ is released and can travel miles away, affecting nearby areas.
Ash
400
After the eruption, it’s essential to clear ash and debris safely while wearing ___________ to protect from inhaling dangerous particles.
Protective clothing
400
Pyroclastic flows are generally slow-moving and not dangerous. (True/False)
False
400
The Earth's crust is made up of large pieces called ___________.
Tectonic plates
500
Lava solidifies into rock and creates ___________ after an eruption.
New landforms
500
shocksssssss!
+500
500
What should people do before a volcanic eruption to prepare?
- a) Stay indoors
- b) Create an emergency plan
- c) Avoid evacuation orders
- d) Ignore seismic activity
- b) Create an emergency plan
500
omgggggggg!
- 500
500
When magma moves through the crust, pressure builds at the boundaries of ___________.
Tectonic plate boundaries