What are the two most common elements in Earth’s crust?
A) oxygen and silicon
B) oxygen and hydrogen
C) carbon and iron
D) carbon and sulfur
What is oxygen and silicon
100
How do volcanic eruptions change landforms?
A) They destroy and reduce the current landforms.
B) They add new rock to land and form new islands.
C) They create new mountain ranges.
D) They add new faults to the current landforms.
What is B, they add new rock to land and form new islands
100
3. What are the three types of seismic waves produced by earthquakes?
A) primary, secondary, tertiary
B) primary, secondary, surface
C) surface, underground, oceanic
D) surface, underwater, atmospheric
What is primary, secondary, surface waves
100
The lithosphere is broken into separate sections called plates that are in constant, slow motion on Earth’s surface. How does the lithosphere respond to this movement?
A) It stress & tension.
B) It faults & folds.
C) It has boundaries & plates.
D) It bounces and hops.
What is B
100
4. What causes Earth’s magnetic field?
A) the movement of materials in the outer core of Earth
B) the movement of materials in Earth’s crust
C) the movement of seismic waves
D) the movement of iron and nickel in the mantle
What is A, the movement of materials in the outer core of Earth
200
As you go deeper and deeper into Earth’s interior, what happens to the pressure and temperature?
What is both increase
200
Where do most volcanoes occur?
A) along the coast of continents
B) on mountaintops
C) in the center of tectonic plates
D) along tectonic plate boundaries
What is D, along tectonic plate boundaries
200
What point in the crust or mantle is the location where energy is released during an earthquake?
A) epicenter
B) fault line
C) focus
D) tectonic boundary
What is C, focus
200
What type of fault is the result of compression forces?
A) strike-slip fault
B) reverse fault
C) normal fault
D) forward fault
What is B, reverse fault
200
12. How are mountains formed?
A) from pressure on rocks and tectonic plates in the lithosphere
B) from a fault that uplifts a block of rock
C) from the cooled lava, rocks, cinder, and ash that come from a volcano
D) All of the above can form mountains.
What is D, all of the above
300
What is the name given to a chain of volcanic islands that form along a trench?
A.) island arc
B.) barrier island
C.) hot spot
D.) coral reef
What is A, island Arc
300
What is the name for molten rock on the earth’s surface?
What is lava
300
What is the epicenter?
What is the point of Earth's surface directly above an earthquake's focus. (on a diagram this is where 3 circles intersect)
300
The San Andreas Fault is an example of which type of fault?
What is a strike-slip fault
300
Convergent boundaries are the cause of which geologic process?
A) earthquakes
B) eruptions
C) fracturing
D) subduction
What is D, subduction
400
Which type of plate boundary is involved in the process of subduction?
A) conservative
B) convergent
C) divergent
D) transform
What is B, convergent
400
Which type of volcano has a broad, gently sloping shape?
What is a shield volcano
400
During an earthquake, what are the vibrations of energy that spread outward in all directions called?
A) sound waves
B) energy waves
C) tectonic waves
D) seismic waves
What is D, seismic waves
400
What is the type of force when Earth's crust is pulled in opposite directions?
What is a tension force, creating a normal fault
400
The Himalayans are an example of what type of mountain?
A.) fault-block
B.) dome
C.) folded
D.) volcanic
What is C, folded mountains
500
What type of plate boundary forms mountain ranges?
A) convergent plates
B) divergent plates
C) transform plates
D) Mountain ranges are not formed at plate boundaries.
What is A, convergent
500
Where is the largest volcano is the solar system is found?
What is on Mars, Olympus Mons
500
What causes earthquakes?
A) the shifting of Earth’s plates
B) a funnel of whirling winds
C) magma erupting from Earth
D) winds and water hurtling through the air
What is A, the shifting of Earth's plates
500
What is the name given to a chain of volcanic islands that form along a trench?
A.) island arc
B.) barrier island
C.) hot spot
D.) coral reef
What is an island arc
500
The extremely active area which surrounds the Pacific Ocean is known as..