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Intro/ Features/ Location
Plate Tectonic
Earthquakes
Volcanoes
Minerals
100
Two dates per year which direct sunlight strikes the equator
What is Equinox
100
Theory that the earths continents have drifted apart through time
What is Continental Drift
100
Straightening of plates after plates under stress snap, the cause of the majority of seismic waves
What is Elastic Rebound Theory
100
Opening which magma erupts onto the surface
What is Vent
100
Mineral breaks along smooth, flat surfaces
What is Cleavage
200
Waves created from movement within the Earth
What is Seismic Waves
200
proposed supercontinent 200 million years ao
What is Pangaea
200
The point under the surface of the earth where plates fault
What is Epicenter
200
Thinnest of all pyroclasts
What is Volcanic dust
200
Non-Living
What is Inorganic
300
Date which earth is closest to the sun during orbit
What is Perihelion
300
Where two plates slide past one another.
What is Transform Boundary
300
Massive wave created from an earthquake on the ocean floor.
What is Tsunami
300
Pyroclasts which are the size of a tennis ball or larger
What is Volcanic bomb
300
Reflectivity of a mineral
What is Luster
400
Date which the earth is farthest from the sun during orbit
What is Aphelion
400
A chain of volcanic islands that forms at a subduction zone.
What is Island Arc
400
Regions where plates under stress move apart
What is Fault Zones
400
Feature produced when the vent of a volcano is blow apart during eruption
What is Crater
400
Measure of the ability of a mineral to be scratched
What is Hardness
500
Earth's shape, slightly wider at the equator dur to rotation
What is Oblate Spheroid
500
Semi-liquid lower mantle which convection currents run throuh and move the plates above
What is Asthenosphere
500
Device which measures seismic waves
What is Seismograph
500
Feature produced wen an emptied magma chamber causes a volcano to collapse
What is Caldera
500
Ability of a mineral to glow or change color under UV light
What is Fluorescence