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Seismic waves Earthquakes Plate Tectonics Earth’s Layers Miscellaneous 10 Point 10 Point 20 Points 20 Points 30 Points 30 Points 40 Points 40 Points 50 Points 50 Points
Body wave that moves in a back and forth motion through rock
P wave
Wave that has same characteristics as a sound wave
P wave
The most destructive type of seismic waves
Surface waves
What happens to the velocity of a P wave as it goes from solid to liquid?
Slows down
List the order of arrival of seismic waves
P, S, Surface (love then rayleigh)
An increase in 2 Richter magnitudes would mean an incease in energy by _______ times
900
How long does it take a p wave to travel 1300 miles?
5 min
What is the difference in arrival time between the P and S waves?
2 min, 35 sec
What is the difference in arrival times between the P and S waves?
Question 5. 5 sec
If an epicenter is 2200 miles away, the P wave will arrive how many minutes ahead of the S wave?
6 min.
According to this map, at what geological feature do must volcanoes occur?
Plate boundaries
The best evidence that two land areas were once connected is the discovery that both land masses A. are in the same stage of succession. B. have similar types of rocks and fossils. C. have the same climate. D. exist along the same line of longitude.
have similar types of rocks and fossils.
Scientists claim that the continents of South America and Africa were once a single landmass. All of the following observations support this claim except A. B. C. D. the mountains on these continents have similar rocks of the same age. similar fish live in the ocean off the coasts of these continents appear to fit together like a puzzle the same kinds of fossils have been found on these continents.
similar fish live in the ocean off the coasts of these continents.
Sea floor magnetic stripes on the Pacific sea floor tend to be wider than equivalent-age magnetic stripes on the Atlantic sea floor. This suggests that: A. the Pacific Ocean is older than the Atlantic Ocean. B. the Pacific Ocean is younger than the Atlantic Ocean C. spreading rates in the Atlantic Ocean are slower than in the Pacific Ocean. D. Spreading rates in the Pacific Ocean are slower than in the Atlantic Ocean.
spreading rates in the Atlantic Ocean are slower than in the Pacific Ocean.
All of the following help to drive plate tectonic movement except: A. convection in the Low Velocity Zone B. the weight of descending ocean plate in subduction zones C. mountain building at continent-continent collision zones D. cooling of new lithosphere along the slopes of sea floor ridges
mountain building at continent-continent collision zones
1. This diagram provides evidence that the Pacific Crustal Plate was moving toward the: A. southwest B. Northwest C. South D. East
Northwest
Compare the densities and thickness of oceanic and continental crust
Oceanic – thinner, more dense Continental- thicker, less dense
Which graph represents temperatures inside the earth?
B – gets hotter as get closer to core
Which is accurate based on surface features?
1 - convection cells pulling ridge apart
Which table best shows the relative densities of the crustal bedrock at locations A-D?
2! – B and C are oceanic crust (more dense), A and E or continental crust (less dense)
The oldest rocks would have come from which sample site?
1 – farthest from ridge where originates
Free
Free
Where would the hottest crustal temps be found?
C! – where magma comes out!
Which graph correctly shows relative age of bedrock?
4! – Shows B is older than C
The probable source of the Earth's magnetic field is: A. plate motions B. sunspot activity C. convection in the outer core D. sea-floor magnetic reversals
The probable source of the Earth's magnetic field is: A. plate motions B. sunspot activity C. convection in the outer core D. sea-floor magnetic reversals
Make your wager
Final Answer
Final Question
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