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Earth's Spheres: Random Facts

Created by Mr5

Fun Trivia : Quizzes : Earth Science
Earths Spheres Random Facts game quiz
"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