Vocab
Earthquakes
Volcanoes
Plates
Continental drift
100
The solid, dense center of our planet
Inner core
100
Waves of energy that travel through the earth
What are seismic waves
100
Substance that flows out of volcanoes
What is lava
100
The number of plates the earth's lithosphere is made of
What is 7
100
Around what time did the theory of continental drift written
Early 1900s
200
Pieces of the lithosphere that move around on top of the asthenosphere
Tectonic plates
200
A break in the Earth's crust, where blocks slide against one another causing an earthquake
What is a fault
200
Hot liquid material; the driving force that creates volcanoes
What is magma
200
What plate is North America located on
2
200
The name of the six land masses on earth 65 million years ago
North America, Eurasia, Africa, South America, India, and Antarctica
300
The theory that continents can drift apart from one another and have done so in the past
Continental Drift
300
The study of earthquakes
What is seismology
300
A volcano that isn't currently erupting but has sometime in recorded history
What is a dormant volcano
300
Theory that earth's lithosphere is divided into plates that move
What is plate tectonics
300
Who first came up with the theory of continental drift?
Alfred Wegener
400
The outermost rigid layer of the Earth
Lithosphere
400
The scale for measuring earthquakes
What is the Richter Scale
400
Places on the Earth's surface directly above columns of rising magma
What are hot spots
400
When a rock changes its shape due to stress
What is deformation
400
The name of the two major land masses 180 million years ago.
Laurasia & Gondwana
500
The process in which an oceanic lithosphere is created
Sea-Floor spreading
500
The point on the Earth's surface directly above an earthquake's starting point
What is the epicenter
500
Numerous volcanoes lying directly on tectonic plate boundaries in the Pacific Ocean form this
What is the Ring of Fire
500
The three types of tectonic plate boundaries
What are convergent, divergent, & transform
500
The name of the formation of the earth 245million years ago (all the land was connected at this time)
Pangea
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