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Lembar kerjaCH. 4 Plate Tectonics
Total soal: 16
Worksheet time: 44mins
Nama
Kelas
Tanggal
1.
What part of the rocks did scientists study to determine that the Earth's magnetic field had reversed several times.
a)
the core
b)
iron-bearing minerals
c)
dirt
d)
asthenosphere
2.
What uses sound waves to calculate distance?
a)
tectonic plates
b)
SLR
c)
Sonar
d)
GBX
3.
What measures the strength of a magnetic field?
a)
A large magnet
b)
a magnetometer
c)
HGT
d)
FHV
4.
What uses pulses of light to measure distance?
a)
SLR
b)
FBH
c)
DSL
d)
Ipod
5.
What does a GPS do?
a)
use sound waves to calculate distance?
b)
use light to calculate distance
c)
a network of satellites used to determine locations on Earth
d)
measure how far frogs jump
6.
What does Pangea mean?
a)
"all land"
b)
"old land"
c)
"big land"
d)
"make believe land"
7.
The theory that describes Earth's crust and upper mantle as being broken into sections is called...
a)
awesome
b)
plate tectonics
c)
pangea
d)
a theory
8.
What is the lithosphere?
a)
a solid, but plastic layer found in the upper mantle
b)
the core of the Earth
c)
the crust, and the solid uppermost layer of the mantle
d)
molten liquid rock
9.
What term best describes plate boundaries?
a)
cookie crumbles
b)
thin lines
c)
unobservable
d)
wide regions
10.
Which theory of plate movement occurs at the mid ocean ridge?
a)
convection
b)
ridge push
c)
slab pull
11.
Which Theory of plate movement occurs as plates move away from the mid ocean ridges and become cooler?
a)
convection
b)
ridge push
c)
slab pull
12.
Which Theory of of plate movement is caused by uneven heating differences in density?
a)
convection
b)
ridge push
c)
slab pull
13.
Where are the youngest rocks found?
a)
The beach
b)
Volcanoes
c)
ridges
d)
basins
14.
Earth's plates...
a)
are fun to watch
b)
move around on a special layer of the mantle
c)
are always rigid
d)
are at the core
15.
The speed of a snail best describes...
a)
Earthquakes
b)
plate movement
c)
how long it takes some students to do homework
d)
volcanic erruptions
16.
Earth's plates...
a)
are fun to watch
b)
move around on a special layer of the mantle
c)
are always rigid
d)
are at the core
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