Transcript jeopardy_platetectonics[1].

Plate Tectonics Jeopardy
Earth Layers
Tectonic Plates
Boundaries
Short Answer
Potpourri
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400
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500
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500
Final Jeopardy
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©Norman Herr, 2003
A-100
• QUESTION : Upon which part (layer) of
the Earth do tectonic plates move?
• ANSWER : Asthenosphere
Answer
Question
A-200
• QUESTION: Which layer is the thickest
and strongest layer?
• ANSWER: Mesosphere
Answer
Question
A-300
• QUESTION: Which earth layers are
liquid? Which are solid?
• ANSWER: Liquid: Outer core and
asthenosphere Solid: Lithosphere,
Mesosphere, Inner core
Answer
Question
A-400
• QUESTION: What makes up less than
1% of earth’s mass?
• ANSWER: Continental and Oceanic
Crust (there are only 2 types of crust)
Answer
Question
A-500
• QUESTION: Which physical layers
would you pass through if you were
drilling to the center of the earth?
• ANSWER: Lithosphere (rock sphere),
asthenosphere (weak sphere),
mesosphere (middle sphere), outer core,
inner core
Answer
Question
B-100
• QUESTION: This drags tectonic plates
sideways.
• ANSWER: Convection
Answer
Question
B-200
• QUESTION: This causes plates to slide
down the lithosphere-asthenosphere
boundary.
• ANSWER: Ridge push
Answer
Question
B-300
• QUESTION: Oceanic plates are forced
downward because they sink and are
pulled.
• ANSWER: Slab pull
Answer
Question
B-400
• QUESTION: Hot material rises and cool
material sinks in a circular motion.
• ANSWER: Convection
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Question
B-500
• QUESTION: Sea-floor spreading occurs
at a _____. And what are the three ways
that mountains can be formed?
• ANSWER: Mid-ocean ridge. Folding,
faulting, volcanism.
Answer
Question
C-100
• QUESTION: When two plates collide
and a continental/continental boundary is
an example.
• ANSWER: Convergent boundaries
Answer
Question
C-200
• QUESTION: Plates slide past each other
causing earthquakes.
• ANSWER: Transform boundary
Answer
Question
C-300
• QUESTION: Sea-floor spreading is what
type of boundary?
• ANSWER: Divergent boundary
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Question
C-400
• QUESTION: A rock that has no stress is
called what?
• ANSWER: Undeformed
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Question
C-500
• QUESTION: What are the three types of
faults and which way do the fault blocks
move?
• ANSWER: Normal fault: hanging wall
moves down. Reverse fault: hanging wall
moves up. Strike-slip fault: Horizontal
movement.
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Question
D-100
• QUESTION: How is a tectonic plate like
an iceberg?
• ANSWER: There is more mass below the
surface than above the surface.
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Question
D-200
• QUESTION: What type of evidence is
used to justify continental drift.
• ANSWER: Fossils are found on different
continents. Glacier grooves.
Answer
Question
D-300
• QUESTION: Describe what is
interesting about the shapes of the
continents and how it was important
millions of years ago.
• ANSWER: The continents all seem to fit
together like a puzzle. They all formed
Pangaea long ago.
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Question
D-400
• QUESTION: A rock tells you that it is
stressed out. What are the two types of
stress that rocks can have?
• ANSWER: Compression and tension
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Question
D-500
• QUESTION: If the layers of the earth did
NOT move, where would the continents
most likely be today?
• ANSWER: Back together like Pangaea.
Answer
Question
E-100
• QUESTION: What is the continental
crust mostly made of?
• ANSWER: Granite
Answer
Question
E-200
• QUESTION: Who wrote about the
theory of continental drift?
• ANSWER: Alfred Wegener.
Answer
Question
E-300
• QUESTION: How do scientists know
about what is at the center of the earth?
• ANSWER: Seismic waves
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Question
E-400
• QUESTION: What is folding, what is
faulting?
• ANSWER: Folding: rock layers bend due
to stress. Faulting: Surface along which
rocks break and slide past each other.
Answer
Question
E-500
• QUESTION: What is the name of the
process shown in the picture? What are
points A, B, C, D?
• ANSWER: Sea-floor spreading,
Asthenosphere / Magma, Younger,
Older, Mid-ocean ridge
Answer
Question
FINAL JEOPARDY
• QUESTION: Why have humans NOT
dug to the center of the earth?
• ANSWER: It is too far, too hot and there
is too much pressure.
Answer
Question