Show:
Earth's Layers
Plate Tectonics
Mountain Building
Volcanoes
Earthquakes
100
What is the thin, outermost compositional layer of Earth
Crust
100
What is the name of the supercontinent that once contained all the land on Earth?
Pangaea
100
What is the process by which rocks change shape when under stress called?
Deformation
100
What is the opening of a volcano called?
Vent
100
What is the place within Earth along a fault at which the first motion of an earthquake occurs called?
Focus
200
What is the compositional layer of rock between Earth's crust and core?
Mantle
200
What are large-scale movements of Earth's lithosphere called?
Plate tectonics
200
What is the bending of rock layers due to stress called?
Deformation
200
What is the resistance of a liquid material to flow called?
Viscosity
200
What is the location directly above the focus on Earth's surface called?
Epicenter
300
What is the central compositional part of the Earth below the mantle?
Core
300
What type of boundary is formed when two tectonic plates collide?
Convergent boundary
300
What is a crack that forms when large blocks of rock break and move past each other?
Fault
300
What type of volcanoes are steep hills of loose pyroclastic fragments that build around a volcanic vent?
Cinder cones
300
What are vibrations that cause different types of ground motion called?
Seismic waves
400
What is the outermost physical layer of Earth?
Lithosphere
400
What is the movement of matter due to differences in density called?
Convection
400
Stress that stretches or pulls rocks apart
Tension
400
What type volcanoes are large, steep volcanoes made from alternating layers of hardened lava flows and pyroclastic material?
Composite volcanoes
400
What are the instruments that record the seismic waves generated by earthquakes called?
Seismometers
500
What is the strong, lower part of the mantle that is the "middle" physical layer?
Mesosphere
500
What is created when one plate sinks beneath another plate?
Subduction zone
500
What is stress that squeezes or pushes rocks together?
Compression
500
What are locations where a column of extremely hot mantle rock rises through the asthenosphere called?
Hot spots
500
What is the measure of strength of an earthquake called?
Magnitude