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1
Have fun with the quick run-through of the first semester of physical geography :)
2
What is the aggregate state of the earth's core, which consists of iron and nickel?
Liquid and solid
Liquid
Liquid and gaseous
Solid
43% got this right
The outer core of the earth is liquid due to the temperature of 3k-5k°C. The inner one is solid due to the pressure.
3
What is the name of the supercontinent that comprised the entire landmass of the Earth over 250 million years ago?
Pangaea
Pangea
Pangäa
Pangaea
Pangea
Pangäa
70% got this right
The Earth's plates still move today due to currents inside the earth. Its called tectonic plate movements.
4
What is caused by the tectonic plate movements on our earth?
Earthquake
Mountains
Trenches
Volcanoes
95% got this right
The plates can move towards each other, move away from each other or rub against each other.
5
How do such formations normally arise?
By wind
By earthquakes
Due to strong sunlight
Through animals
46% got this right
6
What is the technical term for these processes caused by wind?
Aeolian processes
Fluvial processes
Gravitational processes
Physical processes
40% got this right
7
Sort by grain size (biggest on top)
1.
Gravel
2.
Sand
3.
Silt
4.
Clay
91% got this right
8
Time-lapse
What do you call the part of the soil that is particularly rich in nutrients due to dead matter?
Humus
Humus
28% got this right
9
What percentage of all water on Earth is freshwater?
0 —
3
— 100
%
37% got this right
Fresh water is a very scarce resource on our planet.
10
Where is most of the fresh water located? (most freshwater at the top)
1.
Ice caps and glaciers
2.
Groundwater
3.
Rivers, lakes and swamps
84% got this right
Less than 1% of Earth's water can be used directly by humans, namely groundwater and surface water.
11
Why can fish survive in frozen lakes?
Because the water beneth the ice is still warm enough
All fish bury themselves
Due to very tiny holes in the ice cover
The fish don't survive the winter, only their eggs do
67% got this right
Due to the density anomaly of the water, the temperature of the lowest layer of a lake is always +4 °C in winter.
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