The Water Cycle Quiz

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Questions and Answers

What is the process by which plants contribute to the amount of water vapor in the atmosphere?

  • Evaporation
  • Precipitation
  • Condensation
  • Transpiration (correct)

What is required for condensation to occur in the atmosphere?

  • High temperatures
  • Increase in humidity
  • Presence of tiny particles (correct)
  • Reduction of plant respiration

What defines the temperature at which condensation begins to occur?

  • Dew point (correct)
  • Humidity
  • Precipitation level
  • Cyclone temperature

How is relative humidity measured?

<p>Using a psychrometer or digital hygrometer (A)</p> Signup and view all the answers

What is the most common form of precipitation?

<p>Rain (C)</p> Signup and view all the answers

What is the term for any form of water that reaches the earth's surface from a cloud?

<p>Precipitation (A)</p> Signup and view all the answers

Why is it important to measure snowfall in a town?

<p>To assess travel safety (C)</p> Signup and view all the answers

What happens to droplets of water in clouds as condensation continues?

<p>They grow heavy and fall as precipitation (A)</p> Signup and view all the answers

What is the relationship between temperature and air's ability to hold water vapor?

<p>Warm air holds more water vapor than cold air (D)</p> Signup and view all the answers

What is the role of tiny particles in the atmosphere concerning condensation?

<p>They provide a surface for water vapor to condense onto. (C)</p> Signup and view all the answers

How does warm air affect the capacity for humidity?

<p>Warm air holds more water vapor than cold air. (D)</p> Signup and view all the answers

Which of the following instruments is used to measure humidity?

<p>Psychrometer (B)</p> Signup and view all the answers

What condition must be met for precipitation to occur from clouds?

<p>Droplets in clouds must become heavy enough. (C)</p> Signup and view all the answers

What measurement does a rain gauge provide?

<p>Amount of rain (A)</p> Signup and view all the answers

What term describes the percent of water vapor in the air relative to its maximum capacity?

<p>Relative humidity (A)</p> Signup and view all the answers

During which process do plants contribute to atmospheric moisture?

<p>Transpiration (A)</p> Signup and view all the answers

What defines the dew point in meteorological terms?

<p>The temperature at which condensation begins. (B)</p> Signup and view all the answers

What is one factor that influences how condensation occurs in the atmosphere?

<p>The types of particles in the atmosphere. (D)</p> Signup and view all the answers

What is defined as any series of events that repeat in the same order over and over again?

<p>Water cycle (D)</p> Signup and view all the answers

What is the primary function of condensation in the water cycle?

<p>To create dew on cool surfaces (D)</p> Signup and view all the answers

Which of the following is NOT a common type of precipitation?

<p>Dew (C)</p> Signup and view all the answers

Which of these measures the amount of water vapor in the air as a percentage of its maximum capacity?

<p>Relative humidity (B)</p> Signup and view all the answers

What happens to water droplets in a cloud as they grow heavy?

<p>They fall down as precipitation (A)</p> Signup and view all the answers

The water cycle is a process where water moves between the earth's surface and the atmosphere.

<p>True (A)</p> Signup and view all the answers

Dew forms from water vapor that condenses on warmer surfaces.

<p>False (B)</p> Signup and view all the answers

Condensation requires tiny particles in the atmosphere such as dust or bacteria.

<p>True (A)</p> Signup and view all the answers

Relative humidity is expressed as a percentage of water vapor in the air compared to the maximum amount it can hold at a given temperature.

<p>True (A)</p> Signup and view all the answers

Precipitation can only occur in the form of rain.

<p>False (B)</p> Signup and view all the answers

Warm air can hold more water vapor than cold air.

<p>True (A)</p> Signup and view all the answers

A psychrometer is used to measure the amount of rain that has fallen.

<p>False (B)</p> Signup and view all the answers

The dew point is the temperature at which water vapor begins to condense.

<p>True (A)</p> Signup and view all the answers

Animals contribute to the water cycle through a process called evaporation.

<p>False (B)</p> Signup and view all the answers

The water cycle is a constant movement of water between the atmosphere and the earth's surface.

<p>True (A)</p> Signup and view all the answers

Dew forms when warm air cools down and condenses on cooler surfaces.

<p>True (A)</p> Signup and view all the answers

Condensation can occur without the presence of tiny particles in the atmosphere.

<p>False (B)</p> Signup and view all the answers

Relative humidity is a measure expressed in grams of water vapor per cubic meter of air.

<p>False (B)</p> Signup and view all the answers

Precipitation includes any form of water falling from the atmosphere to the earth's surface.

<p>True (A)</p> Signup and view all the answers

The dew point is the highest temperature at which dew forms.

<p>False (B)</p> Signup and view all the answers

Humidity refers to the quantity of water vapor present in the air.

<p>True (A)</p> Signup and view all the answers

All types of precipitation originate from the same size of water droplets.

<p>False (B)</p> Signup and view all the answers

A rain gauge is used to measure humidity levels in the atmosphere.

<p>False (B)</p> Signup and view all the answers

Dew forms when cold air warms up and captures water vapor.

<p>False (B)</p> Signup and view all the answers

Condensation can occur only in the presence of specific atmospheric particles like salt crystals and dust.

<p>True (A)</p> Signup and view all the answers

Relative humidity is defined as the total amount of water vapor present in the air at any temperature.

<p>False (B)</p> Signup and view all the answers

The dew point increases as the air temperature increases, facilitating more condensation.

<p>False (B)</p> Signup and view all the answers

Precipitation includes only rain and excludes other forms like snow and sleet.

<p>False (B)</p> Signup and view all the answers

Flashcards

Water Cycle

The continuous movement of water between Earth's surface and the atmosphere. It involves processes like evaporation, condensation, precipitation, and transpiration.

Cycle

A series of events that occur repeatedly in the same order.

Transpiration

The process by which water vapor is released from plants into the atmosphere.

Respiration

The process by which water vapor is released from animals into the atmosphere.

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Condensation

The process by which water vapor in the air changes into liquid water. It requires tiny particles like dust or salt crystals in the atmosphere.

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Dew point

The temperature at which condensation begins to occur.

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Humidity

The amount of water vapour present in the air.

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Relative Humidity

The percentage of water vapor in the air compared to the maximum amount it can hold at a specific temperature.

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Precipitation

Any form of water that falls from clouds to Earth's surface.

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Water vapor capacity of air

Warm air can hold more water vapor than cold air before condensation occurs.

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Condensation nuclei

Tiny particles in the atmosphere like dust, salt crystals, and smoke that provide surfaces for water vapor to condense onto.

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Rain

The most common type of precipitation, occurring when water droplets in clouds become heavy and fall to the ground.

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Rain gauge

An instrument used to measure the amount of rainfall.

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What is the water cycle?

The continuous movement of water between Earth's surface and the atmosphere, involving processes like evaporation, condensation, precipitation, and transpiration.

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What is the dew point?

The temperature at which air becomes saturated with water vapor and condensation begins to occur.

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What is humidity?

A measure of the amount of water vapor present in the air.

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What is relative humidity?

The percentage of water vapor in the air compared to the maximum amount it can hold at a specific temperature.

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What is precipitation?

Any form of water that falls from clouds to Earth's surface, such as rain, snow, sleet, or hail.

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What are condensation nuclei?

Tiny particles in the atmosphere, like dust, salt crystals, and smoke, that provide surfaces for water vapor to condense onto.

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What is condensation?

The process by which water vapor in the air changes into liquid water, often forming clouds or dew.

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What is transpiration?

The process by which plants release water vapor into the atmosphere through their leaves.

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What is rain?

The most common type of precipitation, occurring when water droplets in clouds become heavy and fall to the ground.

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Study Notes

Water Cycle

  • Water constantly moves between Earth's surface and the atmosphere.
  • This continuous movement is called the water cycle.
  • A cycle is a series of events that repeat in the same order over and over again.
  • Plants undergo transpiration, and animals undergo respiration, both of which release water vapor into the atmosphere.

Condensation

  • Condensation occurs when tiny particles (like salt crystals, dust, bacteria, or smoke) are present in the atmosphere.
  • Temperature is a major factor in condensation; warm air can hold more water vapor than cold air.
  • Dew is liquid water that condenses from the air onto a cooler surface.
  • The temperature at which condensation begins is called the dew point.

Humidity

  • Humidity is a measure of the amount of water vapor in the air.
  • Relative humidity is the percentage of water vapor in the air compared to the maximum amount of water vapor the air can hold at a particular temperature.
  • Relative humidity can be measured using a psychrometer or a digital hygrometer.

Precipitation

  • Precipitation is any form of water that forms in a cloud and falls to Earth's surface.
  • When clouds form and condense, the water droplets may grow heavy and fall.
  • Rain is the most common form of precipitation, appearing in various forms (rain, drizzle, mist) depending on water droplet size.

Measuring Precipitation

  • To track the amount of snowfall and its potential impact, measurements are needed.
  • Rain can be measured using a rain gauge.
    • Snowfall can also be measured.
    • If a town receives a large snowfall, tracking the amount of snowfall is important to assess the safety of travel, and to predict travel conditions.

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