Water Cycle Questions Quiz: Multiple Choice!
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Questions and Answers
- 1.
What happens after the clouds fill up with water vapor and become very heavy?
- A.
Collection
- B.
Precipitation
- C.
Condensation
- D.
Evaporation
Correct Answer
B. PrecipitationExplanation
After the clouds fill up with water vapor and become very heavy, precipitation occurs. Precipitation is the process where the water droplets in the clouds become too heavy to be suspended in the air and fall to the ground as rain, snow, sleet, or hail. This is a crucial part of the water cycle, as it replenishes the Earth's water supply and helps to maintain the balance of moisture in the atmosphere.Rate this question:
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- 2.
When water vapor condenses in the atmosphere, it forms ________.
- A.
Water vapor
- B.
Air
- C.
Clouds
- D.
Precipitation
Correct Answer
C. CloudsExplanation
When water vapor condenses in the atmosphere, it forms clouds. Clouds are visible masses of water droplets or ice crystals suspended in the air. Condensation occurs when warm air rises and cools, causing the water vapor to change from a gas to a liquid or solid form. As the air cools, the water vapor molecules come together and form tiny droplets or ice crystals, which then gather to create clouds. Therefore, clouds are the result of water vapor condensing in the atmosphere.Rate this question:
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- 3.
When water changes into water vapor and moves into the air, it is called _______.
- A.
Accumulation
- B.
Precipitation
- C.
Condensation
- D.
Evaporation
Correct Answer
D. EvaporationExplanation
Evaporation is the process in which water changes from a liquid state to a gaseous state, forming water vapor. This occurs when the energy from the sun causes the water molecules to gain enough energy to break the bonds and escape into the air. Therefore, when water changes into water vapor and moves into the air, it is called evaporation.Rate this question:
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- 4.
Energy for the water cycle on Earth comes from _______.
- A.
The water
- B.
The sun
- C.
The wind
- D.
The clouds
Correct Answer
B. The sunExplanation
The sun is the primary source of energy for the water cycle on Earth. It provides the heat necessary to evaporate water from the Earth's surface, which then rises into the atmosphere. As the water vapor cools, it condenses into clouds and eventually falls back to the Earth as precipitation. This continuous cycle is driven by the sun's energy, making it the correct answer.Rate this question:
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- 5.
What happens to water when it evaporates?
- A.
It becomes droplets.
- B.
It becomes a solid.
- C.
It becomes a gas.
- D.
It is no longer matter.
Correct Answer
C. It becomes a gas.Explanation
When water evaporates, it changes from a liquid state to a gaseous state. This process occurs when the water molecules gain enough energy to break free from the liquid and enter the atmosphere as water vapor. This transformation is driven by heat energy, causing the water molecules to move faster and eventually escape into the air. Therefore, the correct answer is that water becomes a gas when it evaporates.Rate this question:
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- 6.
Where does precipitation begin to form?
- A.
In lakes
- B.
In oceans
- C.
Under the ground
- D.
In clouds
Correct Answer
D. In cloudsExplanation
Precipitation begins to form in clouds. Clouds are formed when warm air rises and cools, causing water vapor to condense into tiny water droplets or ice crystals. As these droplets or crystals collide and combine, they grow larger and eventually become too heavy to remain suspended in the air. This leads to precipitation, which can take the form of rain, snow, sleet, or hail, depending on the temperature and atmospheric conditions. Therefore, precipitation originates in clouds where the water vapor condenses and falls back to the Earth's surface.Rate this question:
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- 7.
During condensation,
- A.
Liquid water changes to water vapor
- B.
Water falls to the ground from clouds
- C.
Water vapor changes to liquid water
- D.
Water sinks into the ground
Correct Answer
C. Water vapor changes to liquid waterExplanation
During condensation, water vapor changes to liquid water. This process occurs when the temperature of the water vapor decreases, causing the water molecules to slow down and come closer together. As a result, the water vapor condenses into tiny water droplets or ice crystals, forming clouds or fog. This is a crucial step in the water cycle, as it allows for the formation of precipitation such as rain or snow.Rate this question:
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- 8.
What is the change of a gas to a liquid called?
- A.
Evaporation
- B.
Melting
- C.
Freezing
- D.
Condensation
Correct Answer
D. CondensationExplanation
Condensation is the correct answer because it refers to the process in which a gas changes into a liquid state. This occurs when the gas molecules lose energy and come together to form liquid droplets. Condensation commonly happens when warm, moist air cools down, leading to the formation of clouds, dew, or fog.Rate this question:
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- 9.
What happens to water at 0o Celcius?
- A.
It becomes a gas.
- B.
It becomes a liquid.
- C.
It becomes a solid.
- D.
It does not change.
Correct Answer
C. It becomes a solid.Explanation
When water reaches 0o Celcius, it undergoes a phase change and becomes a solid, which is commonly known as ice. At this temperature, the water molecules slow down and arrange themselves into a rigid lattice structure, forming a solid state. This process is known as freezing.Rate this question:
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- 10.
Water in the gas state is called _______.
- A.
Ice
- B.
Water vapor
- C.
Dew
- D.
Rain
Correct Answer
B. Water vaporExplanation
Water in the gas state is called water vapor. When water evaporates, it changes from a liquid state to a gas state, forming water vapor. Water vapor is invisible to the naked eye and is present in the atmosphere. It can be found in the form of clouds, fog, or steam. Water vapor plays a crucial role in the water cycle, as it condenses to form clouds and eventually falls back to the Earth as precipitation in the form of rain, snow, or hail.Rate this question:
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- 11.
When a liquid changes to a gas, we say it __________.
- A.
Evaporates
- B.
Freezes
- C.
Condenses
- D.
Melts
Correct Answer
A. EvaporatesExplanation
When a liquid changes to a gas, it undergoes a process known as evaporation. Evaporation occurs when the liquid particles gain enough energy to break free from the intermolecular forces holding them together, and escape into the air as gas particles. This process is commonly observed when water turns into water vapor, such as when a puddle dries up or when clothes dry after being washed.Rate this question:
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- 12.
The water that forms on the outside of a glass of ice on a hot, sunny day is an example of __________________.
- A.
Evaporation
- B.
Water vapor
- C.
Condensation
- D.
Precipitation
Correct Answer
C. CondensationExplanation
On a hot, sunny day, the outside of a glass of ice is colder than the surrounding air. As a result, the water vapor in the air comes into contact with the cold surface of the glass and loses heat, causing it to condense into liquid water droplets. This process is known as condensation, which is the conversion of water vapor into liquid water. Therefore, the water that forms on the outside of the glass is an example of condensation.Rate this question:
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- 13.
Water that falls from the atmosphere is called _____________.
- A.
Condensation
- B.
Precipitation
- C.
Accumulation
- D.
Evaporation
Correct Answer
B. PrecipitationExplanation
Precipitation is the correct answer because it refers to water that falls from the atmosphere to the Earth's surface in the form of rain, snow, sleet, or hail. Condensation is the process by which water vapor turns into liquid, accumulation refers to the gathering or collection of something, and evaporation is the process by which water changes from a liquid to a gas. None of these terms specifically describe water falling from the atmosphere, making precipitation the most appropriate answer.Rate this question:
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- 14.
The boiling point of water is _______
- A.
32 degrees F
- B.
32 degrees C
- C.
100 degrees F
- D.
100 degrees C
Correct Answer
D. 100 degrees CExplanation
Water boils at 100 degrees Celsius. This is the temperature at which water changes from a liquid to a gas, forming water vapor. The boiling point of water is a well-known and commonly used reference point for temperature measurement. It is important to note that this is the boiling point at sea level, as the boiling point can vary at different altitudes due to changes in atmospheric pressure.Rate this question:
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Aug 14, 2024Quiz Edited by
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Nov 10, 2016Quiz Created by
H. Conder
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