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Lesson 11: Evidence of a Dynamic Earth (Earth's Dynamic Systems)
Vocabulary for Smithsonian STC-MS Earth's Dynamic Systems Unit
Terms in this set (17)
A theory describing the gradual movement of continents on earth.
To be constantly changing.
Preserved remains of an organism, usually from prehistoric times.
A system of chronological events in Earth's history.
A large piece of very dense ice that forms when layers of snow accumulate over many years.
A spherical model of Earth.
Rock that formed when magma or lava cooled and crystallized on or below Earth's surface.
Law of Superposition
A basic law of geology that states undisturbed rock strata are deposited chronologically. The youngest layer is on top and each layer beneath it is older.
A mineral that can become magnetized.
Rock formed from other rock that has been exposed over a long time to heat and pressure and has changed into different rock.
A mountain-like landform that develops when tectonic plates move apart or separate and a new ocean lithosphere forms.
The name of the supercontinent that is currently believed to have existed on Earth billions of years ago.
A theory that the lithosphere is broken into segments, or plates, that "float" on the asthenosphere, and that interactions among these plates are associated with earthquakes and volcanic activity and form mid-ocean ridges, trenches, mountains, and chains of volcanic islands.
A process by which new seafloor is formed from the magma rising from Earth's diverging oceanic plates.
Rock that forms over time as sediments become compacted and cemented together.
Multiple layers of material.
A large landmass that is believed (based on evidence) to have broken apart to form continents.
THIS SET IS OFTEN IN FOLDERS WITH...
Earth's Dynamic Systems Vocabulary (Full set: 134…
Lesson 2: When the Earth Shakes (Earth's Dynamic S…
Lesson 3: Analyzing Earthquake Data (Earth's Dynam…
Lesson 4: Investigating Plate Movement (Earth's Dy…
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