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Earth's Spheres: Random Facts

Crafted by Trivia Architect Mr5

Fun Trivia : Quizzes : Earth Science : Earth's Spheres: Random Facts

Introduction:
"Analyzing the Earth inside out."


1. The Core: What is it made up of?
    nickel and iron
    silver and copper
    gas
    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 role?
    it protects Earth from earthquakes
    it supports the Earth's crust
    it is rich in minerals
    it generates heat


4. Lithosphere: What does "lithos" mean in Greek?
    layer
    hot
    hard
    rock


5. The Crust: What discontinuity delimits it from the mantle?
    Jeffreys
    Gutenberg
    Repetti
    Mohorovicic


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
    the soil
    animals
    fungi


8. Atmosphere: What percent of the atmosphere is made up of nitrogen and oxygen?
    85%
    95%
    90%
    99%


9. Homosphere: According to what criterion is the atmosphere divided into the homosphere and the heterosphere?
    composition
    temperature
    mass
    density


10. Heterosphere: At what approximate height does this layer start?
    15 km
    80 km
    40 km
    55 km


11. Troposphere: What percent of the atmospheric mass is concentrated in this region?
    90%
    70%
    50%
    99%


12. Stratosphere: Which type of radiation can get through the ozone layer situated within this atmospheric region?
    ultraviolet radiations
    cosmic radiations
    Roentgen radiations
    infrared radiations


13. Mesosphere: Which of the following can be associated with this layer?
    auroras
    burning meteors
    the ozone layer
    solar winds


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?
    it concentrate 10% of the atmospheric mass
    satellites orbit in this layer
    radio waves are reflected back to Earth from this layer
    its temperature is higher than the thermosphere's


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