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Water - The Substance of Life
written by:
eyez2k1ss
Are you aware of water's unique and complex properties, essential for life on Earth? Find out by taking this quiz.
Question 1:
Water's extraordinary physical properties are a result of its chemical structure - it consists of two hydrogen atoms and one oxygen atom bonded in what type of molecule?
Nonpolar
Covalent
Diatomic
Polar
Question 2:
Although it is generally described as a transparent liquid, in seas, lakes and other large water bodies, water appears blue. What property of water is this attributed to?
Water radiates in the blue range
Water absorbs light in the red range
Water reflects light in the red range
Water refracts light
Question 3:
High surface tension, one of water's properties, is crucial for the survival of life on the planet, because it enables what vital process?
Transport of nutrients
Dissolving of nutrients
Recycling of nutrients
Formation of nutrients
Question 4:
Water is a powerful conductor of electricity.
False
True
Question 5:
A unique property of water is that its solid form, ice, does not sink as may be expected, but floats. What is the reason for this phenomenon?
Temperature differences between the solid and liquid forms
The specific resistance of water to solids
Lower volume of ice compared to liquid water
Lower density of ice compared to liquid water
Question 6:
In meteorology, virga, a weather phenomenon typical for desert regions, is what form of precipitation?
Precipitation that has not undergone condensation
Precipitation that freezes before reaching the ground
Highly condensed type of precipitation
Precipitation that evaporates before reaching the ground
Question 7:
Water is divided into soft and hard, depending on its chemical composition. Hard water washes soap from your hands faster, because of its high contents of what?
Free electrons
Minerals
Polar molecules
Salts
Question 8:
Because of its unique properties in interacting with other substances, water is often referred to as the universal what?
Solvent
Neutralizer
Stabilizer
Oxidant
Question 9:
The temperature of large bodies of water tends to vary much less, compared to that of land masses, why?
Liquids are better heat conductors
Water responds more quickly to temperature changes
Sunlight penetrates water more easily
Water can absorb a tremendous amount of heat
Question 10:
This intricate name, given to water, is a common hoax to misleadingly present water as a dangerous and harmful compound.
Disilane
Decaborane
Diborane
Dihydrogen monoxide (DHMO)
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