Explosive or Nonexplosive
Effects of Eruptions
Volcanoes
Hmmm
Vocabulary
100
A volcanic eruption that has tons of ash would be classified as a ____________.
What is explosive?
100
Volcanic ash can cause the global surface temperature to _____________.
What is drop.
100
True/False - Plate tectonics helps explain the cause of both earthquakes and volcanoes.
What is True
100
The rock on the Earth’s mantle is solid because of high __________________________ from the rock above it
What is pressure
100
__________________________ takes many forms, including volcanic bombs, volcanic blocks, and ash
What is Pyroclastic Material?
200
_____________ have a relatively calm outpouring of lava.
What is explosive?
200
True/False – Volcanic ash can mix with water and destroy objects in its path
What is true.
200
Volcanoes are most likely to form around the __________.
What is Ring of Fire.
200
Magma forms within the mantle as a result of high temperature and low _______________.
What is pressure.
200
A volcano that erupts intermittently can be classified as __________________________.
What is active?
300
A volcano is more likely to erupt ______________________ if its magma has a low silica content.
What is explosively?
300
If volcanic ash smothers crops, one effect of that is _______.
What is a food shortage.
300
__________________________ volcanoes have not erupted in recorded history
What is extinct
300
As tectonic plates separate, a_________________ forms between the plates.
What is rift
400
__________________ volcanoes produce large clouds of pyroclastic material.
What is explosive
400
A ________________ volcano is built of layers of lava from repeated nonexplosive volcanoes. Lava spreads out over time.
What is shield volcano?
400
__________________________ volcanoes are not currently erupting, but have in recorded history.
What is dormant.
400
Magma rises towards the surface of the Earth because it is __________________________ dense than the surrounding rock.
What is less
400
__________________________ are parts of tectonic plates that are located above magma plumes.
What is a hot spot?
500
A ______________ volcano is made entirely of pyroclastic material from moderately explosive volcanoes.
What is cinder cone.
500
which of the following is not a way to predict volcanic eruptions: A. bulges B. Temperature of surface C. ratio of gases D. satellite images
What is Temperature of surface
500
At ______________ plate boundaries, tectonic plates move apart.
What is divergent?
500
A ______________ results when an empty magma chamber collapses.
What is caldera?
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