| On April 29, 2010 |
| You will choose 1 essay to write from memory. |
|
I
will choose 1 essay to write from memory. |
| The
other 3 will be handed in already written. ( already
graded) |
| 1.
What is plate tectonics? Give
examples of plates on Earth. Describe
the two layers of the crust and the mantle.
Explain how and why the magma moves in convection currents.
Explain how the convection currents cause the plates move.
Answers
found in: (topics #1, 2, & 3 chapter 13) Answers found in : (Convection Currents Lab) |
| * |
|
2. Explain three pieces of evidence that leads us to believe many continents were once connected. Describe the theory of continental drift. Give three pieces of evidence that leads us to believe the plates are still moving today. Answers
found in: (topics #4, 5, 6 & 7 chapter 13) |
| * |
|
3.
Describe four kinds of plate boundaries on Earth.
Name 2
actual plates on Earth that form each of the 4 kinds of plate
boundaries. List the visible landforms left by each kind of plate
boundary. Answers found in: (topics #8, 9, 10 & 11 chapter 13) Answers found in: (Plate Boundaries Activity) |
| * |
|
4.
Describe the color, mineral composition and the magma type of two Answers
found in: (topic #1-6 chapter
14) Answers found in: (Volcanic Rocks Activity) |
| * |
| 5. Explain how the speed of a wave depends on the
material it passes through. Compare
and contrast three kinds of earthquake waves.
Explain how they move, what they can move through and how fast
they move relative to each other.
Answers found in: (topics #1, 2, 3 & 4 chapter 15) |
| * |
| I will grade them before school, after school or during designated class periods. Write them. Then bring them in to be graded. You may rewrite them until you have a perfect 20/20 on each. Don't wait until the last minute. Get to work now! |
*
|
The Rubrics For Each Essay Are Below |
||||
|
#1
(20 pts.) q
define
P Tectonics q
2
examples q
lithosphere q
asthenosphere q
convection
currents q
heat/expand q
less
dense/rise q
plates
apart q
cool/contract q
more
dense/sink q plates together
|
#2
(20 pts.) q
continental
Drift q
coastlines/puzzle q
rocks q
mountains q
fossils q
equakes/
volcanoes q
heat
at boundaries q
magnetic
polarity q mid ocean ridges
|
#3
(20 pts.) q
diverging q
apart q
2
plate examples q mid ocean ridges q
sliding q
past
each other q 2 plate examples q faults q
collision q
cont
& cont q
2
plate examples q mountains q
subduction q
ocean
& cont q 2 plate examples q trenches |
#4
(20 pts.) q
mafic q
dark
color q
high
Fe & Mg q
thin
& fast q
diverging
q
example
q
felsic q
light
color q
high
silicates q
thick
& slow q subducting q
example
|
#5
(20 pts.) q
depends
on density q
more
dense=faster q
P
wave q
primary q
compression q
back
& forth q
solid/liquid/gas q
fastest q
S
wave q
secondary q
side
to side q
solids
only q
slower
that P q
L
wave q
surface q
ripples
on pond q slowest |