The Scientific Method / Properties of Earth
Plate Tectonics
Earthquakes
Volcanoes
Rocks and Minerals
100
These imaginary lines run vertically across the Earth and measure distance east and west of the Prime Meridian.
What is longitude
100
This “Supercontinent” is believed to have started separating about __________ years ago
What happened 200 million
100
A minimum of ________ seismograh stations are required to pinpoint the location of an earthquake's epicenter
What is three
100
Jagged mafic lava which has cooled quickly
What is AA
100
The most common type of coal found in Pennsylvania is _________ coal,
What is anthracite
200
A conclusion which has been drawn using substantial proof.
What is Law
200
Features which form at the center of seafloor spreading regions
What is Mid-Ocean Ridges
200
The bending of rocks and snapping back into place when stress is released
What is Elastic Rebound Theory
200
Most of the world's volcanoes are found in a region
What is The Ring of Fire
200
technology where pressurized water and chemicals are used to fracture shale, in order to obtain natural gas.
What is Fracking
300
An imarginary line dividing the Earth into Northern and Southern Hemispheres
What is Equator
300
The process of one plate being forced underneath another plate
What is subduction
300
The ________ scale demonstrates the intensity or damage caused by an earthquake.
What is Richter scale
300
Occasionally, volcanoes such as Kilauea form from ________ in the middle of plates.
What is hot spots (magma plume)
300
Causes holes in some igneous rocks such as pumice
What does dissolved gases do
400
Crust Mantle Outer Core Inner Core
What are the Earth's layers
400
Matching Rock Layers of Continents Similar Shapes of Coastlines Identical Fossils on Separate Continents
What is evidence supporting continental drift?
400
An increase in one point of magnitude indicates ______ times more wave amplitude than the previous point.
What is by 10
400
Mafic lava is _____ and _____ than felsic lava.
What is Thinner and darker
400
they occur naturally, they are organic, they are solid,
What is Mineral Characteristics
500
A conclusion which has been drawn using observation and repeated testing, but lacks substantial proof
What is Theory
500
Seafloor Spreading
What is The formation of new seafloor and the movement of older seafloor outward
500
The __________ scale measures the energy or magnitude of the earthquake.
What is Modified Mercalli scale
500
Volcanic Bombs Lapilli Volcanic Ash Volcanic Dust
What is Order the pyroclasts from largest (1) to smallest (4) in size.
500
The two most common resources mined in Pennsylvania are
What is coal and natural gas
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