Transcript Writing and Bell Ringer 2-14-11

Writing and Bell Ringer 2-14-11
1.
2.
Where would you expect to find the
oldest rock on the ocean floor?
What is deep-ocean trench?
Why is important to understand
minerals before looking at rocks?
Writing and Bell Ringer 2-15-11
Write a summary over the lesson
from yesterday.
What happens to oceanic crust at a
deep-ocean trench?
2. What features form where two
continental plates come together?
1.
Writing and Bell Ringer 2-16-11
What are some questions you still
have about minerals and rocks?
What are plates?
2. In your own words, what is the
theory of plate tectonics?
1.
Writing and Bell Ringer 2-17-11
What does plate tectonics means to
you?
What do scientists think causes the
movement of Earth’s plates?
2. What are the three types of plate
boundaries?
1.
Writing and Bell Ringer 2-22-11
What are some things you learned
from the assignment from Thursday?
What kind of indirect evidence do
geologists use to study the structure
of Earth?
2. How do temperature and pressure
change as you go deeper into Earth?
1.
Writing and Bell Ringer 2-23-11
Give a detailed description of what
plate tectonics means to you.
What happens in Earth’s interior to
produce Earth’s magnetic field?
Describe the layer where the
magnetic field is produced.
2. Why are there convection currents in
the mantle?
1.
Writing and Bell Ringer 2-24-11
How are clastic rocks and organic
rocks similar? How are they
different?
1. Why are the oldest parts of the ocean
floor no older than about 200 million
years old?
2. How do magnetic stripes form on the
ocean floor? Why are these stripes
significant?
Writing and Bell Ringer 2-25-11
Why are earthquakes so common in
California?
1. How are oceanic and continental
crust alike? How do they differ?
2. What do many geologists think is the
driving force of plate tectonics?
Explain
Writing and Bell Ringer 2-28-11
Write a short paragraph that
explaining in your own words what a
geologist does.
1. Scientists refer to plate tectonics as a
theory. What is a theory? How is
plate tectonics a theory?
2. Why isn’t continental drift considered
a theory?
Writing and Bell Ringer 3-1-11
Explain how pressure and
temperature change with depth.
1. Briefly describe the inner and outer
cores, the mantle, and the crust.
2. In what ways is the lithosphere
different from the athenosphere?
Writing and Bell Ringer 3-2-11
What would Earth look like of most of
its crust was above sea level?
Why do you see only the dry land
areas of tectonics plates on a typical
world map?
2. Describe the structure of most
tectonics plates.
1.
Writing and Bell Ringer 3-3-11
Which evidence for continental drift do
you think is the most convincing? Explain
your answer.
1.
2.
How does the age of the sea floor show
the plates move?
What evidence did Wegener gather to
support his continental drift hypothesis?
Writing and Bell Ringer 3-4-11
A friend tells you he read on a Web site that
Earth is getting smaller. What can you tell him
that shows Earth’s size is not changing?
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2.
Give three types of evidence from the sea floor
that prove Earth’s tectonic plates move.
Explain how the motions in the asthenosphere
can move tectonic plates around Earth.
Writing and Bell Ringer 3-7-11
Explain what happens when oceanic
plates move apart.
1.
2.
What happens when the floor of a rift
valley sinks below sea level?
How does a hot-spot volcano form?
Writing and Bell Ringer 3-8-11
Suppose a magnetic reversal occurred
today. How would new rocks at midocean ridges differ from rocks that formed
last year?
1.
2.
Name and describe the three types of
plate movements.
How are hot spots used to track plate
motion?
Writing and Bell Ringer 3-9-11
Write a summary of yesterday lesson.
1.
2.
Why do deep-ocean trenches form at both
types of subduction?
What makes the San Andreas Fault a
transform boundary?
Writing and Bell Ringer 3-10-11
Why is the theory of plate tectonics so
important to geologists?
1.
2.
What are three types of convergent
boundaries?
Describe what happens at a transform
boundary.
Writing and Bell Ringer 3-11-11
What problems did you encounter creating
your model of the earth?
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2.
How does the theory of plate tectonics
help geologists predict future geologic
events?
How do rocks record changes Earth’s
magnetic field?
Writing and Bell Ringer 3-15-11
Write about a current event that
happened recently that involves an
earthquake.
1.
2.
How does shearing affect rock in Earth’s
crust?
What is the difference between a hanging
wall and a footwall?
Writing and Bell Ringer 3-16-11
What are your thoughts on the
earthquake that happened in Japan?
1.
2.
What type of plate movement causes
fault-block mountains to form?
What are the three main types of stress in
rock?
Writing and Bell Ringer 3-17-11
Why do hills often show different kinds of
rocks?
1.
2.
How does tension change the shape of
Earth’s crust?
Compare the way that compression
affects the crust to the way then tension
that affects the crust.
Writing and Bell Ringer 3-21-11
Explain how the directions of force differ
in compression, tension, and shearing.
1.
2.
What is a fault?
Why do faults often occur along plate
boundaries?
Writing and Bell Ringer 3-22-11
Compare and contrast the three types of
seismic waves.
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2.
What type of fault is formed when plates
diverge, or pull apart? What type of fault
is formed when plates are pushed
together?
Name five kinds of landforms caused by
plate movement.
Writing and Bell Ringer 3-23-11
What are the advantages of using the
moment magnitude scale to measure an
earthquake?
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2.
How does energy from an earthquake
reach Earth’s surface?
What kind of movement is produced by
each of the three types of seismic waves?
Writing and Bell Ringer 3-24-11
What type of data do geologists use to
locate an earthquake’s epicenter?
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2.
When do P waves arrive at the surface in
relation to S waves and surface waves?
What is an earthquake’s magnitude?
Writing and Bell Ringer 3-25-11
How does liquefaction cause damage
during an earthquake?
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2.
What is a seismograph?
What are four ways that earthquakes
cause damage?
Writing and Bell Ringer 3-28-11
Compare and contrast mechanical
weathering and chemical weathering.
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2.
What is weathering?
What is erosion?
Writing and Bell Ringer 3-29-11
How does rainfall affect the rate of
weathering.
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2.
What is chemical weathering?
What are two factors that affect the rate
of weathering?
Writing and Bell Ringer 3-30-11
Discuss the three main factors used to
classify soils?
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2.
What five materials make up soil?
How do soil horizons form?