EES 17-20 Tanner Muovich Flashcards
- How long ago was Pangea said to have broken apart?
A. 65 million years ago
B. 135 million years ago
C. 180 million years ago
D. 200 million years ago
D. 200 million years ago
- What was the hypothesis proposed by Alfred Wegener?
A. Continental Drift
B. Pangea
C. Gondwanaland
D. Climatic Evidence
A. Continental Drift
- Which of these were not a piece of evidence found by Wegener to support his hypothesis?
A. Evidence from fossils
B. Seafloor spreading
C. Evidence from rock formations
D.climatic evidence
B. Seafloor spreading
- What is a place where plates are moving apart from each other?
A. Convergent boundary
B. Transform boundary
C. Divergent boundary
D. Plate boundary
C. Divergent boundary
- Which of these is a place where two tectonic plates are moving toward each other?
A. Transform boundary
B. Convergent boundary
C. Plate boundary
D. Divergent boundary
B. Convergent boundary
- Where is a place where two plates slide horizontally past each other?
A. Transform boundary
B. Subduction
C. Convergent boundary
D. Divergent boundary
A. Transform boundary
- How many volcanoes have erupted in the last 10,000 years?
A. 100
B. 25,000
C. 50
D. 1,500
D. 1,500
- Which type of magma has a gas content of 1-2%?
A. Andesitic magma
B. Basaltic magma
C. Viscosity
D. Rhyolitic magma
B. Basaltic magma
- Which type of magma is the most explosive?
A. Basaltic magma
B. Andesitic magma
C. Rhyolitic magma
D. Molten magma
C. Rhyolitic magma
- Which of these are not a pluton?
A. Crater
B. Stock
C. Sill
D. Dike
A. Crater
- What are the largest plutons called?
A. Sill
B. Dike
C. Laccolith
D. Batholiths
D. Batholiths
- Which of these are not a major type of volcano?
A. Shield volcano
B. Cinder-cone volcano
C. Tephra
D. Composite volcano
C. Tephra
- Larger depressions, which can be up to 50 km in diameter, are called what?
A. Shield volcano
B. Caldera
C. Crater
D. Tephra
B. Caldera
- What is the death toll for some of the most dangerous earthquakes?
A. 100,000
B. 5,000
C. 25,000
D. 250,000
A. 100,000
- What type of fault is caused by a horizontal shear?
A. Fault
B. Reverse Fault
C. Normal Fault
D. Strike- Ship Fault
D. Strike-ship fault
- What are fractures that occur as a result of horizontal compression?
A. Normal fault
B. Strike-ship fault
C. Reverse fault
D. Regular Fault
C. Reverse Fault
17.What squeeze sand pulls rocks in the same direction along which the waves are traveling?
A. Secondary waves
B. Primary waves
C. Earthquake waves
D. Surface waves
B. Primary waves
- What causes rocks to move at right angles?
A. Secondary waves
B. Primary waves
C. Surface waves
D. Earthquake waves
A. Secondary waves
- What factors are represented in increases on the Richter scale?
A. 10
B. 2
C. 5
D. 20
A. 10
- At least how many seismic stations are needed for the epicenter of an earthquake to be found accurately?
A. 1
B. 2
C. 3
D. 4
C. 3
- Which is not a major earthquake hazard?
A. Structural failure
B. Land and soil failure
C. Fault Scarps
D. Tornadoes
D. Tornadoes
- What percent of Earth’s surface is below sea level?
A. 50%
B. 70%
C. 90%
D. 5%
B. 70%
- About how long ago did the Appalachian Mountains form?
A. 1 million years ago
B. 50 million years ago
C. 100 million years ago
D. 70 million years ago
D. 700 million years ago
- What is the probability that a major earthquake will strike near us in the next decade?
A. 75%
B. 90%
C. 100%
D. 50%
B. 90%
