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Plate Technics/Earthquakes/Volcanoes

What are the three types of boundaries? The three types of boundaries are divergent, convergent, and transform.
What are the three types of stress? The three types of stress is shearing, tension, and compression.
What are the three types of faults? The three types of faults are strike-slip, normal, and reverse faults.
What is the difference between tidal waves and tsunamis? The difference between tidal wave and tsunamis is that tidal waves are caused by the Moon's gravitational pull. But tsunamis are caused by earthquakes.
_____ is when the volcano appears to be sleeping. Dormat
True or False? A chain of volcanoes around the Pacific Plate is called the Circle of Fire. False
What is silica? Silica is a combination of oxygen and silicon.
What are the three types of volcanoes? The three types of volcanoes are cinder cone, shield, and stratovolcano volcano.
What are the three types of lava flows? Describe each types. The three types of lava flows is pahoehoe aa, and pyroclastic. Pahoehoe is a fast moving hot lava. thick. Aa is a cooler and slower moving lava. Pyroclastic is magma that get clogged up in the pipe then it explodes.
What is a vent? This is were magma goes through to release lava.
What is a crater? A crater is the opening were the lava goes through to reach the surface.
What is a pipe? The pipe is were the stored magma goes through to reach the vent.
What is a magma chamber? The magma chambers is weer most of the magma is stored.
What is a side vent? The side vent is were small amounts of magma reach the surface through the side of the volcano.
True or False? An extinct volcano is a volcano that is very unlikely to erupt. True
A ______ ____ is what forms when magma in a volcano's pipe cools off. Volcano neck
What is the Ring of Fire? Why are there so many volcanoes there? The Ring of Fire is a major form of a volcanic belt. There are so many volcanoes there because it is on a plate tectonic, which is where most volcanoes are formed.
Where do most volcanoes occur? Most volcanoes occur on the divergent plate boundary that are in the ocean.
Explain in detail how the Hawaiian islands were formed. The Hawaiian island was formed when a volcano erupted. It covered the ocean that is surrounded with hot lava. Soon it cooled down, creating a hard shell over the sea. This is how the Hawaiian Island were formed.
Compare and contrast pahoehoe and aa. Pahoehoe and aa are both similar because they both come from volcanic activity. Pahoehoe and aa are different because pahoehoe is a fast moving hot lava, but aa is a cooler, slower lava.
Why are pyroclastic flows so dangerous? Pyroclastic flows are so dangerous because when a volcano’s magma becomes trapped in the pipe, it explodes when it erupts. This leads to heavy smog and thick and sticky lava.
Explain the 3 stages of volcanoes. The first stage of volcanoes is that it is active. This is when the volcano is erupting or shows signs of it. The next stage is dormant. This is when a volcano did not erupt for a long period of time, like sleeping, than erupts suddenly.
Explain the 3 stages of volcanoes. Continued The last stage is extinct. This is the stage when the volcano is very unlikely to erupt.
What are tectonic plates? Tectonic plates are pieces of the Earth''s crust. Many natural disasters happen on the plate tectonics , such as volcanoes and earthquakes.
What is a transform boundary? The plates slide against each other in opposite directions. Often in areas where there is a lot of earthquakes.
What is a divergent boundary? Where two plates move in opposite directions.New crust is created and a ridge forms.
What is a convergent boundary? Where two plates come together or collide, resulting in one plate diving under the other. This results in a trench being made.
What is stress? Stress is a force on rock that changes its shape or the amount of space that it occupies.
What is a fault? A fault is a break in Earth’s crust where slabs of rock slip past each other.
True or false? Earthquakes are one of the most dangerous natural disasters. True
Created by: 16aney