Earth's Layers
This layer of the Earth contains the upper area of the mantel and the crust.
What is the Lithosphere?
This is the scale that measures the strength of an earthquake.
What is the Richter scale?
Volcanoes that are shaped in a broad, flat dome.
What are shield volcanoes?
Volcanic gasses.
What is vog?
The area of earth that houses 70% of the earth's volcanoes.
What is the Ring of Fire?
Large pieces of earth floating on partly melted rock.
What are plates?
These waves cause the most destruction.
What are surface waves?
An avalanche of red-hot dust and ash.
What is pyroclastic flow?
This happens when part of the mountain collapses and mud and rock fragments surge down the mountain.
What is debris flow?
The city that was destroyed due to pyroclastic flow.
What is Pompeii?
This a break along the Earth's surface along which rock can move.
What are faults?
This machine measures the activity of an earthquake.
What is a seismograph?
A volcano that has erupted in the distant past but currently is not expected to erupt.
What is a dormant volcano?
The result of magma and lava cooling and hardening.
What are igneous rocks?
Heat from magma warms water which rises to the surface of the earth.
What is a hot spring?
This in the point on the Earth's surface directly above the focus points.
What is the epicenter?
The point of origin of an earthquake.
What is a FOCUS?
A mixture of cinder, ash, and rock.
What is tephra?
The bodily system most affected by volcanic eruptions.
What is the respiratory system?
A hot spring that periodically blows steam and hot water into the air.
What is a geyser?
Waves that go in a circular motion.
What are Rayleigh Waves?
A volcano with steep sides and layers of ash and tephra.
What is a composite cone volcano?
When pyroclastic flow mixes with the atmosphere and impacts the precipitation.
What is acid rain?
A type of fault in which rocks push together until they force a section of rock upward.
What is a reverse fault?