Download The Dynamic Earth Name

The Dynamic Earth
Name_________
Date_____Per__
http://pubs.usgs.gov/gip/dynamic/dynamic.html#anchor19978839
Directions: Click on Preface to begin the tour.
1) What started a revolution in the Earth Sciences? When was this?
2) How are people at the mercy of plate tectonics?
3) What volcano and where is it located is in the picture at the bottom of
the page?
4) CLICK THE RIGHT ARROW>>>>>>
5) What is a plate?
6) What does tectonics mean?
7) In a couple of sentences summarize the theory of plate tectonics:
8) When Pangaea first broke up, what were the names of the two pieces
it formed into?
9) How long ago was the Jurassic?
10)
How long ago was the Cretaceous?
11)
What does Paleontology study?
12)
What does Seismology?
13)
In 1858, geographer Antonio Snider-Pellegrini made 2 maps.
What did they show?
14)
By the time Wegener proposed his theory of Continental Drift,
what did the scientific community think about the surface of the
Earth?
15)
How, when and where did Alfred Wegener die?
16)
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17)
What was “largely dismissed as being eccentric, preposterous,
and improbable”.?
18)
What were the 4 new advances made in the 1950’s that proved
Wegeners theory true?
19)
How much of the Earths surface lies beneath the oceans?
20)
In 1947, what did the US research ship Atlantis find?
21)
In the 1950’s, they discovered great mountain ranges in the
oceans and called them the ________ ____ __________ ________.
22)
What is a magnetometer?
23)
What did the magnetometers discover about the ocean floors
magnetism?
24)
“Additional evidence of seafloor spreading came from an
unexpected source”, what was the source?
25)
What was “A profound consequence of seafloor spreading”?
26)
Harry Hess was a geologist from what university?
27)
“If the Earth's crust was expanding along the oceanic
ridges”then what MUST be happening elsewhere?
28)
CLICK on the MAP below “Concentrations of Earthquakes”:
What do all the dots represent AND what do they tell us about plate
tectonics? GO BACK<<<
29)
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30)
What are the 4 types of Plate Boundaries?
31)
When plates move apart, away, from each other they are called?
32)
What is happening to Iceland?
33)
When Plates collide together they are called?
34)
When an ocean collides with a continent, what happens to the
ocean? Give an example of where this is happening today?
35)
When an ocean and an ocean collide one is subducted, what
forms near the subduction zone and can be taller than Mt. Everest?
36)
When 2 continents collide, what forms?
37)
Where on Earth is this happening today?
38)
What type of boundary is present when 2 plates slide past each
other?
39)
Where on Earth is this happening today?
40)
Which plate is Los Angeles on? Which Plate is San Francisco
on?
41)
CLICK on the Easter Island Monolith picture, what country
claims Easter Island?
42)
Who carved the monuments? What are the monuments made
of?
43)
Which plate is Easter Island on? GO BACK<<<<
44)
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45)
How far away is the NEAREST plate boundary to Hawaii?
46)
Who first proposed the “HOTSPOT” theory?
47)
Which island is Hawaii’s oldest and northernmost inhabited
island? How old are the rocks found there?
48)
Which island is the youngest? How old are the rocks there?
49)
CLICK on the Prominent World Hotspots picture, What does
this map show us?
50)
What does Hawaii and Yellowstone have in common?
51)
How are they different? GO BACK<<<<<
52)
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53)
Plates randomly drift around. True of False?
54)
Other planets experience plate tectonics. True of False?