LAYERS
PARTS OF A VOLCANO AND MATERIAL
VOLCANOES
Earthquakes and therories
ROCKS BREAKDOWN
100
What is the outermost layer?
What is the Crust.
100
What is a place on Earth's surface that is directly above a column of rising magma?
What is Hot Spot.
100
What is a mountain that forms when magma , is forced to the Earth's surface?
What is a volcano.
100
WHat is the point on Earth's surface above the start of the earthquake's starting point?
What is an epicenter.
100
What is the process by which one rock type turns into another rock type?
What is the rock cycle.
200
What is the layer that holds most of Earth's mass?
What is Mantle.
200
What is the funnel shaped pit around the central vent of a volcano?
What is a Crater.
200
What is a volcano that is made of alternate layers of lava and pyroclastic material?
What is composite volcano.
200
What is the point inside the Earth where an earthquake begins?
What is focus.
300
What is the dense, center part of Earth?
What is the core.
300
Waht is magma that flows onto Earth's surface called?
What is Lava.
300
What is a small, steeply sloped volcano that forms from moderately explosive eruptions of pyroclastic material?
What is cinder cone volcano.
300
What is a deep crack that forms between two tectonic plates?
What is a rift.
300
What is the chemical breakdown of rocks into new substances?
What is chemical breakdown.
400
What is the core made out of?
What is sulfur, nickel, iron, and oxygen.
400
What is a circular depression thatforms when a magma chamber empties and causes the ground to sink?
What is a Caldera.
400
What is a large, gently sloped volcano that forms from repeated, non-explosive eruptions of lava?
What is a shield volcano.
400
What is the theory that Earth' lithosphere is divided into plates that move on top of the asthenosphere?
What is the theory of plate tectonics.
400
What is the breakdown of rock into smallerpieces by physical means?
What is mechanical breakdown.
500
How thick is the crust?
What is 5 to 100 km thick.
500
What are fragments of rock that are created by explosive volcanic eruptions?
What is proclastic material.
500
Where does magma form?
What is under the surface.
500
What is the theory that the conitinents drift apart and that they have done so in the past.
What is continental drift.
500
What are agents of mechanical weathering?
What is ice, wind, and water.
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