The Water Hydrological Cycle

1.

How many stages are there in the Hydrological Cycle?
- A.
  
  4
- B.
  
  5
- C.
  
  6
Correct Answer
B. 5

Explanation
The hydrological cycle, also known as the water cycle, is a continuous process that involves the movement of water on, above, and below the Earth's surface. It consists of five stages: evaporation, condensation, precipitation, infiltration, and runoff. During evaporation, water changes from a liquid state to a gaseous state and rises into the atmosphere. Condensation occurs when the water vapor cools and forms clouds. Precipitation happens when the condensed water vapor falls back to the Earth's surface as rain, snow, sleet, or hail. Infiltration refers to the process of water seeping into the ground, while runoff is the movement of water over the surface, eventually reaching rivers, lakes, or oceans. Therefore, the correct answer is 5.

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2.

When the clouds become saturated, they burst and fall to the earth as: (Select all that apply)
- A.
  
  Snow
- B.
  
  Hail
- C.
  
  Sweat
Correct Answer(s)
A. Snow
B. Hail

Explanation
When clouds become saturated, the water vapor inside them condenses into liquid or solid form. In the case of snow, the water vapor freezes into ice crystals before falling to the earth. Hail, on the other hand, forms when there are strong updrafts in the cloud that carry the ice pellets upward, causing them to accumulate layers of ice before eventually falling to the ground. Sweat is not a form of precipitation and does not occur when clouds become saturated.

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1
1
3.

The process of water going back to the earth into oceans, rivers, streams and ponds is known as run off.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The statement correctly defines the process of water going back to the earth as run off. Run off refers to the movement of water from land to bodies of water such as oceans, rivers, streams, and ponds. This can occur through various pathways such as surface runoff, which is when water flows over the land surface, or through subsurface runoff, which is when water infiltrates the soil and eventually reaches bodies of water. Therefore, the statement is true.

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4.

When the vapour __________, clouds are formed.

Correct Answer
cools

Explanation
When the vapor cools, it undergoes a phase change from a gaseous state to a liquid state. This change in state leads to the formation of clouds, as the cooled vapor condenses into tiny water droplets or ice crystals.

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4
5.

The sun is the source of heat in the Hydrological Cycle.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The sun is indeed the source of heat in the Hydrological Cycle. The cycle involves the continuous movement of water on, above, and below the surface of the Earth, driven by the sun's energy. The sun's heat causes water bodies like oceans, lakes, and rivers to evaporate, forming water vapor in the atmosphere. This water vapor then condenses to form clouds, and eventually, precipitation occurs in the form of rain, snow, or hail. Without the sun's heat, this cycle would not be possible, making the statement true.

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6.

In the Hydrological Cycle, plants release water through a process called _____________.

Correct Answer
transpiration

Explanation
Transpiration is the process by which plants release water vapor into the atmosphere through their leaves. During transpiration, water is absorbed by the plant's roots and transported to the leaves, where it evaporates through small openings called stomata. This process helps to regulate the plant's temperature, transport nutrients, and maintain the moisture balance in the environment.

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4
7.

Where else does condensation take place apart from in the Hydrological Cycle?
- A.
  
  In a hot room
- B.
  
  In a pool of water
- C.
  
  Outside a glass containing cold water
Correct Answer
C. Outside a glass containing cold water

Explanation
Condensation occurs when water vapor in the air comes into contact with a cold surface and turns into liquid. In this scenario, the cold glass causes the water vapor in the surrounding air to condense on its surface. This is a common occurrence when a glass of cold water is left outside on a warm day, causing water droplets to form on the outside of the glass. Therefore, the correct answer is "outside a glass containing cold water."

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8.

In the Hydrological Cycle the sun heats the water which changes to vapour. This process is known as:
- A.
  
  Condensation
- B.
  
  Precipitation
- C.
  
  Evaporation
Correct Answer
C. Evaporation

Explanation
In the hydrological cycle, the sun's heat causes water to change from its liquid state to a vapor, which is known as evaporation. This process occurs when the sun's energy is absorbed by the water, causing the water molecules to gain enough energy to escape into the atmosphere as vapor. Evaporation is an important part of the hydrological cycle as it contributes to the formation of clouds and ultimately leads to precipitation.

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1
0
9.

Water in lakes, rivers and ponds is referred to as:

Correct Answer
surface water

Explanation
The term "surface water" refers to the water that is present on the Earth's surface in lakes, rivers, and ponds. This water is not underground or in any form of vapor, but rather visible and accessible. It plays a crucial role in supporting various ecosystems and is often used as a source of drinking water, irrigation, and recreational activities.

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4
10.

In the Hydrological Cycle, water has the ability to change to a solid, liquid and gas.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Water has the ability to change its state from solid (ice), to liquid (water), and to gas (water vapor) in the hydrological cycle. This cycle involves the continuous movement of water on, above, and below the Earth's surface, driven by energy from the sun. Evaporation occurs when water changes from a liquid to a gas, condensation happens when water vapor cools and becomes a liquid, and freezing occurs when liquid water turns into ice. Therefore, the statement "water has the ability to change to a solid, liquid, and gas" is true.

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The Water Hydrological Cycle

How many stages are there in the Hydrological Cycle?

When the clouds become saturated, they burst and fall to the earth as: (Select all that apply)

The process of water going back to the earth into oceans, rivers, streams and ponds is known as run off.

When the vapour __________, clouds are formed.

The sun is the source of heat in the Hydrological Cycle.

In the Hydrological Cycle, plants release water through a process called _____________.

Where else does condensation take place apart from in the Hydrological Cycle?

In the Hydrological Cycle the sun heats the water which changes to vapour. This process is known as:

Water in lakes, rivers and ponds is referred to as:

In the Hydrological Cycle, water has the ability to change to a solid, liquid and gas.