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Rain Trivia Quiz Questions

Trivia quiz questions with answers about rain

What is rain?
A: Rain is liquid water in the form of droplets that have condensed from atmospheric water vapor and then become heavy enough to fall under gravity.

Rain is a major component of what?
A: The water cycle.

Rain is responsible for depositing most of the fresh water where?
A: On the Earth.

It provides suitable conditions for many types of ecosystems, as well as water for what?
A: Hydroelectric power plants and crop irrigation.

What is the major cause of rain production?
A: Moisture moving along three-dimensional zones of temperature and moisture contrasts known as weather fronts.

 

If enough moisture and upward motion is present, precipitation falls from what?
A: Convective clouds (those with strong upward vertical motion) such as cumulonimbus (thunder clouds).

The urban heat island effect leads to increased what?
A: Rainfall, both in amounts and intensity, downwind of cities.

Global warming is also causing changes in the precipitation pattern globally, including wetter conditions where?
A: Across eastern North America and drier conditions in the tropics.

Which continent is the driest?
A: Antarctica.

 What is the globally averaged annual precipitation over land?
A: It is 715 mm (28.1 in).

International Trivia Questions and ...
International Trivia Questions and Answers
 

What is the globally averaged annual precipitation over the whole Earth?
A:  990 mm (39 in).

How is rainfall measured?
A: With rain gauges.

Rainfall amounts can be estimated by what?
A: Weather radar.

Rain is also known or suspected on other planets, where it may be composed of what?
A: Methane, neon, sulfuric acid, or even iron rather than water.

Warmer air can contain more water vapor than cooler air before becoming what?
A: Saturated.

 

Therefore, one way to saturate a parcel of air is to do what?
A: Cool it.

What is the dew point?
A: It is the temperature to which a parcel must be cooled to become saturated.

What are the four main mechanisms for cooling the air to its dew point?
A: Adiabatic cooling, conductive cooling, radiational cooling, and evaporative cooling.

When does adiabatic cooling occur?
A: When air rises and expands.

When does conductive cooling occur?
A: When the air comes into contact with a colder surface, usually by being blown from one surface to another, for example from a liquid water surface to colder land.

 

Radiational cooling occurs due to the emission of what?
A: Infrared radiation, either by the air or by the surface underneath.

Evaporative cooling occurs when moisture is added to the air through what?
A: Evaporation, which forces the air temperature to cool to its wet-bulb temperature, or until it reaches saturation.

Water vapor normally begins to condense on condensation nuclei such as what?
A: Dust, ice, and salt in order to form clouds.

As drops become larger, they become what?
A: Flattened on the bottom, like a hamburger bun.

Very large raindrops are split into smaller ones by what?
A: Air resistance which makes them increasingly unstable.

 

Coalescence occurs when water droplets do what?
A: Fuse to create larger water droplets.

Air resistance typically causes the water droplets in a cloud to remain what?
A: Stationary.

When air turbulence occurs, water droplets collide, producing what?
A: Larger droplets.

 
 
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