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Earth's Spheres: Random Facts
Created by
Mr5
Fun Trivia
:
Quizzes
:
Earth Science
"Analyzing the Earth inside out."
15 Points Per Correct Answer - No time limit
1.
The Core: What is it made up of?
gas
nickel and iron
silver and copper
mercury
2.
Mantle: What's the lower limit of the mantle?
3700 km
2100 km
1300 km
2900 km
3.
Asthenosphere: What is its major function?
it generates heat
it protects Earth from earthquakes
it enables plate tectonic movements
it is rich in minerals
4.
Lithosphere: What does "lithos" mean in Greek?
hot
layer
rock
hard
5.
The Crust: What discontinuity delimits it from the mantle?
Mohorovicic
Repetti
Jeffreys
Gutenberg
6.
Hydrosphere: Which of the following is not a part of the hydrosphere?
underground water
they are all components of the hydrosphere
glaciers
water vapors
7.
Biosphere: Which of the following does not belong to it?
plants
fungi
animals
minerals
8.
Atmosphere: What percent of the atmosphere is made up of nitrogen and oxygen?
85%
99%
90%
95%
9.
Homosphere: According to what criterion is the atmosphere divided into the homosphere and the heterosphere?
mass
composition
temperature
density
10.
Heterosphere: At what approximate height does this layer start?
55 km
15 km
80 km
40 km
11.
Troposphere: Which of the following is not true about this layer?
It is located about 50 to 85 km above the Earth's surface
It contains 99% of the water vapors in the atmosphere
It concentrates about 75% of the atmospheric mass
It is the layer within which all weather phenomena occur
12.
Stratosphere: Which type of radiation can get through the ozone layer situated within this atmospheric region?
cosmic radiations
ultraviolet radiations
infrared radiations
Roentgen radiations
13.
Mesosphere: Which of the following can be associated with this layer?
auroras
solar winds
the ozone layer
meteors
14.
Thermosphere: What is this layer also known as?
Ionosphere
Cryosphere
Magnetosphere
Antroposphere
15.
Exosphere: Which of the following is true about this outermost atmospheric layer?
its temperature is higher than the thermosphere's
it constitutes 10% of the atmospheric mass
satellites orbit in this layer
radio waves are reflected back to Earth from this layer
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Compiled Jun 19 13