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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?
Diatomic
Covalent
Polar
Nonpolar

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 reflects light in the red range
Water absorbs 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?
Formation of nutrients
Dissolving of nutrients
Transport of nutrients
Recycling 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?
The specific resistance of water to solids
Lower volume of ice compared to liquid water
Lower density of ice compared to liquid water
Temperature differences between the solid and liquid forms

Question 6:


In meteorology, virga, a weather phenomenon typical for desert regions, is what form of precipitation?
Precipitation that freezes before reaching the ground
Precipitation that has not undergone condensation
Precipitation that evaporates before reaching the ground
Highly condensed type of precipitation

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?
Salts
Minerals
Polar molecules
Free electrons

Question 8:


Because of its unique properties in interacting with other substances, water is often referred to as the universal what?
Solvent
Stabilizer
Oxidant
Neutralizer

Question 9:


The temperature of large bodies of water tends to vary much less, compared to that of land masses, why?
Sunlight penetrates water more easily
Liquids are better heat conductors
Water can absorb a tremendous amount of heat
Water responds more quickly to temperature changes

Question 10:


This intricate name, given to water, is a common hoax to misleadingly present water as a dangerous and harmful compound.
Decaborane
Diborane
Disilane
Dihydrogen monoxide (DHMO)

 


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