Quiz Is On The Earth's Atmosphere

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  • 1/20 Questions

    Too much exposure to ___________ can cause skin cancer.

    • Water vapor
    • Air pressure
    • Ultraviolet radiation
    • Ozone
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About This Quiz


The earth’s atmosphere is made up of different gasses with nitrogen and oxygen having the highest percentage of 78 and 21 percent respectively. As you go up of the earth’s atmosphere the atmosphere gets thinner until you reach space. The earth’s atmosphere as we learnt in class can be divided into five main layers? Did you understand them and their characteristics? Take the quiz to find out. All the best!

Quiz Is On The Earths Atmosphere - Quiz

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  • 2. 

    The _________ is the layer of atmosphere nearest to earth's surface.

    • Mesophere

    • Troposphere

    • Stratosphere

    • Ionosphere

    Correct Answer
    A. Troposphere
    Explanation
    The troposphere is the layer of atmosphere nearest to the Earth's surface. It is where weather events occur and where most of the Earth's air mass is located. This layer is characterized by decreasing temperature with increasing altitude, and it is where we live and breathe. The other options, mesosphere, stratosphere, and ionosphere, are different layers of the atmosphere located above the troposphere.

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  • 3. 

    Air above the ______ is heated more than any other place on Earth.

    • North pole

    • South pole

    • Equator

    • United States

    Correct Answer
    A. Equator
    Explanation
    The air above the equator is heated more than any other place on Earth because it receives direct sunlight throughout the year. Due to the curvature of the Earth, the sun's rays are concentrated near the equator, resulting in higher temperatures. This heating of the air creates a low-pressure zone, causing air to rise and creating the intertropical convergence zone (ITCZ). The ITCZ is responsible for the formation of tropical rainforests and the prevalence of thunderstorms in equatorial regions.

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  • 4. 

    The ___________ merges into outer space.

    • Troposphere

    • Stratosphere

    • Mesophere

    • Exosphere

    Correct Answer
    A. Exosphere
    Explanation
    The exosphere is the outermost layer of the Earth's atmosphere, where it gradually merges into outer space. It is the highest layer of the atmosphere and extends from about 500 to 1,000 kilometers above the Earth's surface. In this layer, the air is extremely thin and the particles are widely spaced. The exosphere is where satellites and other man-made objects orbit the Earth.

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  • 5. 

    _______________ is the transfer of energy by electromagnetic waves.

    • Conduction

    • Convection

    • Radiation

    • Condensation

    Correct Answer
    A. Radiation
    Explanation
    Radiation is the transfer of energy by electromagnetic waves. Unlike conduction and convection, which require a medium to transfer heat, radiation can occur in a vacuum. Electromagnetic waves, such as light and heat, are emitted by a source and travel through space, transferring energy to objects they encounter. This process is commonly observed in everyday life, such as feeling the warmth of the sun or heating food in a microwave.

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  • 6. 

    Electrically-charged particles are found primarily in the _________.

    • Troposphere

    • Exosphere

    • Ionosphere

    • Stratosphere

    Correct Answer
    A. Ionosphere
    Explanation
    The ionosphere is the correct answer because it is the region of the Earth's atmosphere that contains a high concentration of electrically-charged particles. These particles, called ions, are created by the ionization of neutral particles due to the intense solar radiation in this region. The ionosphere is located between the mesosphere and the exosphere, and it plays a crucial role in radio communication and the propagation of radio waves.

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  • 7. 

    Reflection and absorption by the atmosphere prevent some _____from reaching Earth's surface.

    • Ozone

    • Radiation

    • Nitrogen

    • Oxygen

    Correct Answer
    A. Radiation
    Explanation
    The correct answer is radiation. The atmosphere acts as a shield, reflecting and absorbing certain types of radiation from reaching Earth's surface. This includes harmful ultraviolet (UV) radiation from the sun, which is absorbed by the ozone layer in the atmosphere. Other forms of radiation, such as infrared and visible light, are also absorbed or scattered by the atmosphere to varying degrees. This natural protection provided by the atmosphere is crucial for maintaining a habitable environment on Earth.

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  • 8. 

    _________ is the only substance that exists as a solid, liquid, and gas in Earth's atmosphere.

    • Nitrogen

    • Ozone

    • Water

    • Radiation

    Correct Answer
    A. Water
    Explanation
    Water is the correct answer because it is the only substance that can exist in all three states (solid, liquid, and gas) within Earth's atmosphere. Water vapor is present as a gas, clouds and rain are forms of liquid water, and ice crystals can form as solid water in the atmosphere. Nitrogen and ozone exist only as gases, while radiation is not a substance but a form of energy.

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  • 9. 

    Chlorofluorocarbons destroy the ozone layer by_____________.

    • Adding more ozone molecules

    • Blocking ultraviolet radiation

    • Destroying ozone molecules

    • Increasing nitrogen levels

    Correct Answer
    A. Destroying ozone molecules
    Explanation
    Chlorofluorocarbons (CFCs) destroy the ozone layer by breaking down ozone molecules in the stratosphere. When CFCs are released into the atmosphere, they can reach the ozone layer where they are broken down by ultraviolet radiation. This breakdown process releases chlorine atoms, which then react with ozone molecules, breaking them apart and reducing the concentration of ozone. This destruction of ozone molecules leads to the thinning of the ozone layer, allowing more harmful ultraviolet radiation from the sun to reach the Earth's surface.

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  • 10. 

    In the water cycle, evaporated water __________.

    • Precipitates as rain or snow

    • Runs into lakes, streams, and oceans

    • Becomes groundwater

    • Condenses into clouds

    Correct Answer
    A. Condenses into clouds
    Explanation
    When water evaporates, it turns into water vapor and rises into the atmosphere. As the water vapor rises, it cools down and condenses into tiny water droplets or ice crystals, forming clouds. Therefore, the correct answer is that evaporated water condenses into clouds.

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  • 11. 

    The ______ is caused by the Earth's rotation.

    • Jet stream

    • Coriolis effect

    • Doldrums

    • Trade winds

    Correct Answer
    A. Coriolis effect
    Explanation
    The Coriolis effect is caused by the Earth's rotation. It is a phenomenon that causes moving air or water to be deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. This deflection is due to the rotation of the Earth and the difference in linear velocities of different latitudes. The Coriolis effect plays a significant role in the formation and direction of global wind patterns, such as the jet stream, trade winds, and doldrums.

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  • 12. 

    The ______ are windless zones near the equator.

    • Doldrums

    • Prevailing westerlies

    • Polar easterlies

    • Trade winds

    Correct Answer
    A. Doldrums
    Explanation
    The correct answer is "doldrums." The doldrums are windless zones near the equator. These regions are characterized by calm, light winds and often experience stagnant weather conditions. The name "doldrums" comes from an old maritime term, meaning a state of inactivity or stagnation. Sailors used to dread these areas as they could get stuck for days or even weeks without any wind to propel their ships.

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  • 13. 

    Air in the ________ is warmed by heat from the Earth's surface.

    • Troposhere

    • Exosphere

    • Stratoshere

    • Thermosphere

    Correct Answer
    A. Troposhere
    Explanation
    The correct answer is troposphere. The troposphere is the lowest layer of the Earth's atmosphere, extending from the surface up to about 10-15 kilometers. In this layer, air is warmed by heat radiating from the Earth's surface. This is due to the absorption of solar radiation by the Earth's surface, which then heats the air in the troposphere through conduction and convection. The other options (exosphere, stratosphere, and thermosphere) are not correct because they are located above the troposphere and do not directly interact with the Earth's surface for heat exchange.

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  • 14. 

    The distinct wind patterns on Earth's surface are created by ______ and by the Coriolis effect.

    • Differences in heating

    • Constantly changing

    • Very cold

    • Very warm

    Correct Answer
    A. Differences in heating
    Explanation
    The distinct wind patterns on Earth's surface are created by differences in heating and by the Coriolis effect. As different areas of the Earth receive varying amounts of sunlight and heat, the air in these regions heats up at different rates. This leads to differences in air pressure, causing air to move from areas of high pressure to areas of low pressure, creating wind. The Coriolis effect, on the other hand, is caused by the rotation of the Earth and deflects the moving air to the right in the Northern Hemisphere and to the left in the Southern Hemisphere, further influencing the wind patterns.

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  • 15. 

    Temperatures in the thermosphere are ________.

    • Hot and cold

    • Constantly changing

    • Very cold

    • Very warm

    Correct Answer
    A. Very warm
    Explanation
    Temperatures in the thermosphere are very warm. The thermosphere is the layer of the Earth's atmosphere that is located above the mesosphere and extends into outer space. It is characterized by high energy particles and intense solar radiation. Due to the absorption of this solar radiation, temperatures in the thermosphere can reach extremely high levels, reaching thousands of degrees Celsius. Therefore, the term "very warm" accurately describes the temperatures in this atmospheric layer.

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  • 16. 

    Air currents that blow near north and south poles are the ____________.

    • Polar easterlies

    • Trade winds

    • Polar westerlies

    • Jet streams

    Correct Answer
    A. Polar easterlies
    Explanation
    The correct answer is polar easterlies. Air currents near the north and south poles are known as polar easterlies. These winds blow from the east towards the west, carrying cold air away from the poles towards lower latitudes. They are caused by the temperature difference between the polar regions and the equator, and play an important role in global weather patterns.

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  • 17. 

    _________ is the transfer of heat by the flow of a heated material.

    • Radiation

    • Conduction

    • Convection

    • Absorption

    Correct Answer
    A. Convection
    Explanation
    Convection is the transfer of heat by the flow of a heated material. This occurs when a fluid, such as air or water, is heated and rises, carrying the heat with it. As the fluid cools, it becomes denser and sinks, creating a continuous flow that transfers heat. Convection is responsible for the circulation of air in a room when a heater is turned on or the movement of hot water in a pot when it is heated on a stove.

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  • 18. 

    The _____________ are responsible for the movement of much of the weather across the United States.

    • Prevailing westerlies

    • Polar easterlies

    • Trade winds

    • Doldrums

    Correct Answer
    A. Prevailing westerlies
    Explanation
    The prevailing westerlies are responsible for the movement of much of the weather across the United States. These are the dominant winds that blow from west to east in the middle latitudes of the Earth. They play a crucial role in shaping weather patterns and transporting air masses and weather systems across the country. The prevailing westerlies are particularly influential in the United States, as they often bring storms and weather changes from the west coast to the east coast.

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  • 19. 

    Steady winds between the equator and 30 degrees latitude north or south are known as ______.

    • Doldrums

    • Jet streams

    • Easterlies

    • Trade winds

    Correct Answer
    A. Trade winds
    Explanation
    Steady winds between the equator and 30 degrees latitude north or south are known as trade winds. These winds blow from east to west and are caused by the rotation of the Earth and the temperature differences between the equator and the poles. They are important for sailing and navigation, as they were historically used by traders to navigate their ships across the oceans. The trade winds are characterized by their consistency and reliability, making them favorable for long-distance travel and trade routes.

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  • 20. 

    Sea and land breezes happen because __________.

    • The land heats and cools more slowly than the water.

    • The land heats and cools more quickly than the water.

    • Air moves more easily over water than over land.

    • Air moves more easily over land than over water.

    Correct Answer
    A. The land heats and cools more quickly than the water.
    Explanation
    Sea and land breezes happen because the land heats and cools more quickly than the water. During the day, the land heats up faster than the water, causing the air above the land to become warmer and rise. This creates a low-pressure area over the land. Meanwhile, the water remains relatively cooler, creating a high-pressure area. The air moves from the high-pressure area over the water towards the low-pressure area over the land, creating a sea breeze. At night, the land cools down faster than the water, causing the air above the land to become cooler and denser. This creates a high-pressure area over the land, while the water remains relatively warmer, creating a low-pressure area. The air moves from the high-pressure area over the land towards the low-pressure area over the water, creating a land breeze.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Apr 10, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 27, 2010
    Quiz Created by
    Bbutler
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