1. identify the type of plate boundary that created the volcanoes iceland
a a transverse boundary on land
b a convergent boundary on land
c a divergent boundary in the ocean
d a divergent boundary on land
2. what mean process do all volcanoes have in common regardless of specific ways they form
a rising magma
b plate subduction
c hotspots
d plate divergence
3. at which type of plate boundary would a stream small volcanic islands most likely form
a transverse boundary
b convergent ocean ocean boundary
c divergent ocean ocean boundary
d convergent ocean land boundary
4.in three to five sentences identify and describe the fossil evidence wegener used to support the theory of continental drift and plate tectonics
5. how were the himalayas formed
a when a mid-ocean ridge split apart
b due to an increase in volcanic activity
c when two plates collide with each other
d due to a sudden shift along the transform boundary
6.which information is needed to construct a geomagnetic time scale select the two correct answers
a average speed of tectonic plates on earth
b the age of rocks along the surface of earth
c themagnetic direction of rocks along the surface of earth
d the length of the mid-ocean ridge
7. in 3-5 sentences, describe how paleomagnetic evidence supports the theory that continents changed positions (drift) over time
8. which features would you look for to classify a volcano select three correct answers
a height
b steepness
c color
d type of lava
e presence of foliage
f age of rock
9. what will happen where two continental plates collide at a convergent boundary
a one plate is subducted beneath the other
b the directions shifts and it becomes a transform boundary
c the plates push up forming a mountain range
d a volcano island arc is formed
10. describe how plant fossils found at svalbard in norway give evidence drifting continents
a they were plants that came extinct millions of years earlier
b they were found in glacial deposits
c they werefound only in that one location
d they were warm climate plants that would not grow in acold pool area
11. select the answers from the list
find hints wondered how volcanoes would be located so far from tectonic plate boundaries until one idea of
a mid-ocean ridges
b hotspots
c plates
d transform faults
where the magma is much hotter than the surrounding magma these are
a fixed
b undetectable
c submerged
d rotating
and do not move with tectonic plates they responsible for the creation of
a convecting
b volcanic
c oceanic
d floating
island chains.
12. which statement about earthquakes is accurate select the two correct answers
a more than 1 billion earthquakes happen per year
b a few hundred earthquakes per year are strong enough to be detected by instruments
c about 100 earthquakes per year are strong enough to cause damage
d most earthquakes are not strong enough to be felt by humans
e fewer than 100,000 earthquakes happen per year
13. mountain chains in northern europe in west africa match the appalachian mountains in terms of their ages in the sequences of rock layers that make them up in three to five sentences analyze these observations and explain what conclusions can be drawn from them
14. geologist found fossils of similar marsupials from the same time period across south america africa and antarctica india and australia what theory is supported by this discovery
a early marsupials were strong summers
b those continents were once part of one supercontinent
c the process happening today are the same processes that have occurred in the past
d avast land bridge once connected those continents
15. which statement describes a volcano that is classified as a dormant
a it has never erupted
b it has not erupted recently
c it is not expected to ever erupt again
d it is expected to erupt soon