Name__________________________
Wegener’s Theory of Contnela Drift
WARMUP: Fill
Period __________
in these four boxes with types of boundary names you know (look in your notes.
.
1. What did the rainbow stripes in
the lab tell us?
2.
When ocean crust hits continental crust
a.
_________________
b.
_________________
c.
_________________
d.
_________________
3.
One hundred years ago, jAlfred
Wegener had what controversial idea?
4. What were Wegener’s two original
pieces of evidence?
View 0:00 to 6:30 FROM Continents Adrift, then bookwork from the Spaulding, Namowitz textbook:
1. [p. 176: second paragraph] What is a rift valley? (write a complete sentence for full credit)
2. [p. 176: third paragraph] What substance turns into New Oceanic Crust. (no sentence
needed)
3. [p. 176: look at the diagram at the bottom] Name the only type of boundary that is not shown
in this diagram.
4. [p. 177: last paragraph]. For subduction zones, on which plate do volcanoes form?
A
B
C
5. In this drawing, circle the letter where
volcanoes would appear:
6. [p. 176] Explain how new oceanic crust is formed at a divergent boundary.
(write a complete
sentence for full credit)
7. [p. 177, third paragraph] Describe two different types of subduction boundaries.
(write a complete
sentence for full credit)
8. [pp. 712-713] Tell one place on Earth that has an Ocean-Ocean subduction boundary.
9. [pp. 712-713] Tell one place on Earth that has a Continent-Ocean subduction boundary.
10. [p. 178] Describe what happens at a collision boundary. (write a complete sentence for full credit)
Tell one place shown on p. 712-713 that has a collision boundary. ___________