Water Cycle Exam: Quiz! MCQ

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| By Jamie Leach

Jamie Leach

Community Contributor

Quizzes Created: 2 | Total Attempts: 918

Questions: 10 | Attempts: 373 | Updated: Aug 14, 2024

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Questions and Answers

1.

Why do we drill into the ground?
- A.
  
  To collect the soil for planting.
- B.
  
  To collect the groundwater for drinking.
- C.
  
  To search for gold to sell.
- D.
  
  To create a hole to sit in.
Correct Answer
B. To collect the groundwater for drinking.

Explanation
We drill into the ground to collect groundwater for drinking. This is because groundwater is a valuable and important source of fresh water. By drilling wells, we can access the water stored beneath the surface of the earth, which can then be treated and used for drinking purposes. Groundwater is often cleaner and more reliable than surface water sources, making it a preferred option for drinking water supply in many areas.

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2.

What process is represented in this picture?
- A.
  
  Condensation
- B.
  
  Evaporation
- C.
  
  Precipitation
- D.
  
  Photosynthesis
Correct Answer
B. Evaporation

Explanation
The process represented in the picture is evaporation. Evaporation is the transformation of a liquid into a gas or vapor, typically due to the heat energy absorbed from the surroundings. In the picture, it is likely that the liquid is being heated, causing it to turn into vapor and rise into the air. This process is commonly observed in the water cycle, where water evaporates from bodies of water and eventually forms clouds.

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3.

What process is represented in this picture?
- A.
  
  Condensation
- B.
  
  Evaporation
- C.
  
  Photosynthesis
- D.
  
  Precipitation
Correct Answer
A. Condensation

Explanation
The process represented in the picture is condensation. Condensation is the change of state from a gas to a liquid. It occurs when water vapor in the air cools down and turns into water droplets, which can be seen as clouds or fog. In the picture, there might be visible water droplets forming on a surface or in the air, indicating the process of condensation.

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1
0
4.

Within a cloud, water droplets condense onto one another, causing the droplets to grow larger. When these water droplets get too heavy to stay suspended in the cloud, they fall to Earth. What is the name of this process?
- A.
  
  Diffusion
- B.
  
  Precipitation
- C.
  
  Breathing
- D.
  
  Condensation
Correct Answer
B. Precipitation

Explanation
Precipitation is the correct answer for this question. Precipitation refers to the process in which water droplets in a cloud condense onto one another and become larger. Eventually, these droplets become too heavy to remain suspended in the cloud and fall to Earth in the form of rain, snow, sleet, or hail. This process is an essential part of the water cycle and plays a crucial role in replenishing the Earth's water sources.

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1
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5.

What is groundwater?
- A.
  
  Water that comes out of the ground.
- B.
  
  Water that comes from the mountains.
- C.
  
  Water that seeps into the ground.
- D.
  
  Water that is at the bottom of the sea.
Correct Answer
C. Water that seeps into the ground.

Explanation
Groundwater refers to water that seeps into the ground. It is the water that infiltrates through the soil and rocks, filling the spaces and crevices in the subsurface. This water accumulates in underground aquifers, which are layers of permeable rock or sediment that can hold and transmit water. Groundwater plays a crucial role in sustaining ecosystems, providing water for wells and springs, and replenishing surface water bodies such as lakes and rivers. It is a vital source of freshwater for human consumption, agriculture, and industry.

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6.

Is water vapour a solid, liquid, or gas?
- A.
  
  Liquid
- B.
  
  Gas
- C.
  
  Solid
- D.
  
  Solid and gas
Correct Answer
B. Gas

Explanation
Water vapor is the gaseous phase of water. It is formed when water evaporates or boils, and it exists as an invisible gas in the atmosphere. Unlike liquid water, which has a fixed volume and shape, water vapor is highly compressible and can expand to fill any container. It is also lighter than air, which allows it to rise and contribute to the formation of clouds and precipitation.

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7.

What are the four forms of precipitation?
- A.
  
  Rain, hail, sleet and snow
- B.
  
  Sun, rain, lightning and snow
- C.
  
  Seas, rivers, oceans and lakes
- D.
  
  Mountains, valleys, rivers and canals
Correct Answer
A. Rain, hail, sleet and snow

Explanation
The correct answer is rain, hail, sleet, and snow. These four forms of precipitation are all different types of water that fall from the atmosphere to the Earth's surface. Rain is liquid water that falls in droplets, hail is ice pellets that form in thunderstorms, sleet is a mixture of rain and snow that freezes before reaching the ground, and snow is ice crystals that fall from the sky.

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8.

The water cycle:
- A.
  
  Happens once a month
- B.
  
  Occurs every week
- C.
  
  Is infinite
- D.
  
  Ends once the sea floods
Correct Answer
C. Is infinite

Explanation
The water cycle is a continuous process that involves the movement of water between the Earth's surface, atmosphere, and back again. It is a natural cycle that has been occurring for millions of years and will continue to happen indefinitely. The water evaporates from bodies of water, forms clouds, falls as precipitation, and eventually flows back into the oceans, lakes, and rivers, starting the cycle again. This process is not limited by time and does not have an end point, making it infinite.

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9.

Humidity is the amount of water vapor in the air.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Humidity refers to the amount of water vapor present in the air. It is a measure of the moisture content in the atmosphere. When the air contains a high amount of water vapor, the humidity is high, and when the air contains a low amount of water vapor, the humidity is low. Therefore, the statement that "humidity is the amount of water vapor in the air" is true.

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10.

The weather man, who is called Alex, said "we have a high level of humidity today". What does this mean?
- A.
  
  There is very little water vapour in the air.
- B.
  
  There is a lot of water vapour in the air.
- C.
  
  There is no water vapour in the air
Correct Answer
B. There is a lot of water vapour in the air.

Explanation
A high level of humidity means that there is a lot of water vapor in the air. Humidity refers to the amount of moisture present in the atmosphere, and a high level indicates that the air is saturated with water vapor, making it feel sticky or muggy.

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