The actual spot where the earth moves in an earthquake.
What is the focus.
100
Using diagram C, the next volcano likely to form a new Hawaiian island.
What is position D.
100
This moves the crustal plates.
What is convection currents
100
I am the first person to discover the Earth's crust was made of plates and the plates move.
Who was Alfred Wegner.
100
The Atlantic Ocean when seafloor spreading continues along the Mid Atlantic Ridge?
What is becomes wider?
200
A crack within a plate where earth movement may occur.
What is a fault.
200
The type of volcanic cone associated with an explosive eruption.
What is composite or cinder.
200
This type of plate boundary is forming the Himalaya mountains.
What is continental-continental converging boundary.
200
He developed a scale for measuring the amount of shaking during an earthquake.
Who is Charles Richter?
200
Name an observation that supported the early development of the theory of plate tectonics.
What is fossils, glacial scars, sea floor spreading, or rock features.
300
The first earthquake wave to reach the seismograph.
What is Primary or P wave.
300
Most volcanoes are formed at this type of boundary.
What is a convergent boundary.
300
Warm rock rising and cool rock sinking takes place in this layer of the Earth.
What is the asthenosphere.
300
He developed a scale for measuring the amount of damage during an earthquake.
Who is Giuseppe Mercalli.
300
The geologic event that created the Appalachian mountains even after they were originally deposited in flat layers
What is folding.
400
The type of plate boundary that earthquakes occur.
What is convergent, divergent, and transform (all)?
400
The upward movement of magma to the surface of the Earth.
What is a volcanic eruption.
400
This type of boundary is created when two plates slide side by side.
What is a transform boundary.
400
The creator of the Theory of Uniformitarianism.
Who is James Hutton
400
Lines that connect points of equal elevation.
What are contour lines?
500
The energy exchange between two layers of an erupting volcano commonly releases lava, cinders, and hot gases at Earth’s surface.
What is lithosphere and atmosphere.
500
The most active area in the world is often called this.
What is The Ring of Fire?
500
The theory that Earth’s crust is broken into a number of large pieces that move and interact at their boundaries, producing volcanoes and earthquakes.
What is plate tectonics
500
He adding more support to Wegener's theory of plate tectonics when studying sea-floor spreading.
Who is Harry Hess?
500
One constructive force changing the surface of the Earth.