Layer Of Atmosphere Practice Quiz 1

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  • 1/24 Questions

    What is the second atmospheric layer from the ground?

    • Thermosphere
    • Stratosphere
    • Troposphere
    • Mesosphere
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About This Quiz

Explore the Earth's atmosphere with the Layer of Atmosphere Practice Quiz 1. This quiz assesses knowledge of atmospheric layers, including the troposphere, stratosphere, and thermosphere, focusing on phenomena like the aurora borealis and the ozone layer. Ideal for learners interested in meteorology and environmental science.

Layer Of Atmosphere Practice Quiz 1 - Quiz

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  • 2. 

    What is the atmospheric layer closest to the ground?

    • Mesosphere

    • Troposphere

    • Thermosphere

    • Stratosphere

    Correct Answer
    A. Troposphere
    Explanation
    The troposphere is the atmospheric layer closest to the ground. It is the layer where weather occurs and where most of Earth's air mass is located. This layer extends from the Earth's surface up to about 10-15 kilometers in altitude. It is characterized by a decrease in temperature as altitude increases. The other options, mesosphere, thermosphere, and stratosphere, are higher layers of the atmosphere located above the troposphere.

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  • 3. 

    What is the third atmospheric layer from the ground?

    • Troposphere

    • Thermosphere

    • Stratosphere

    • Mesosphere

    Correct Answer
    A. Mesosphere
    Explanation
    The mesosphere is the third atmospheric layer from the ground. It is located above the stratosphere and below the thermosphere. This layer extends from about 50 to 85 kilometers above the Earth's surface. The mesosphere is characterized by a decrease in temperature with increasing altitude, reaching extremely cold temperatures. It is also the layer where meteors burn up upon entering the Earth's atmosphere.

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  • 4. 

    What is the fourth atmospheric layer from the ground?

    • Thermosphere

    • Mesosphere

    • Troposphere

    • Stratosphere

    Correct Answer
    A. Thermosphere
    Explanation
    The thermosphere is the fourth atmospheric layer from the ground. It is located above the mesosphere and below the exosphere. The thermosphere is characterized by high temperatures and low air density. It is also the layer where the International Space Station orbits the Earth.

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  • 5. 

    What does the ozone layer do?

    • It protects us from meteors

    • It protects us from violent solar flares

    • It protects us from ultra violet radiation

    • It helps us breathe

    Correct Answer
    A. It protects us from ultra violet radiation
    Explanation
    The ozone layer acts as a shield against harmful ultraviolet (UV) radiation from the sun. UV radiation can cause various health issues such as skin cancer, cataracts, and weakened immune system. The ozone layer absorbs and filters out a significant amount of UV radiation, preventing it from reaching the Earth's surface. This protection is crucial for the well-being and safety of living organisms, including humans.

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  • 6. 

    What layer does most weather occur in?

    • Troposphere

    • Stratosphere

    • Thermosphere

    • Mesosphere

    Correct Answer
    A. Troposphere
    Explanation
    The troposphere is the layer of the Earth's atmosphere closest to the surface and is where most weather occurs. This layer extends from the Earth's surface up to about 8-15 kilometers in altitude. It is where temperature decreases with increasing altitude, and it is also where clouds, precipitation, and other weather phenomena take place. The other layers mentioned - stratosphere, thermosphere, and mesosphere - are located above the troposphere and do not experience the same level of weather activity.

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  • 7. 

    What is the aurora borealis most commonly called

    • The northern lights

    • The southern radiation

    • The ionic particles

    • A rainbow

    Correct Answer
    A. The northern lights
    Explanation
    The aurora borealis is most commonly called the northern lights. This natural phenomenon occurs in the Earth's polar regions when charged particles from the sun collide with atoms in the Earth's atmosphere. These collisions emit colorful lights that are visible in the night sky, predominantly in the northern hemisphere. The term "northern lights" is widely used to describe this beautiful light display.

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  • 8. 

    What is the hottest layer in the atmosphere?

    • Mesosphere

    • Thermosphere

    • Stratosphere

    • Troposphere

    Correct Answer
    A. Thermosphere
    Explanation
    The thermosphere is the hottest layer in the atmosphere. It is located above the mesosphere and extends from about 80 km to 600 km above the Earth's surface. The high temperatures in this layer are primarily due to the absorption of intense solar radiation. Despite the high temperatures, the thermosphere would not feel hot to humans because the air density is extremely low, and there are very few gas molecules to transfer heat.

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  • 9. 

    What gas makes up around 21% of our atmosphere?

    • Methane

    • Oxygen

    • Nitrogen

    • Carbon dioxide

    Correct Answer
    A. Oxygen
    Explanation
    Oxygen makes up around 21% of our atmosphere. It is essential for the survival of most living organisms, including humans. Oxygen is produced by plants through photosynthesis and is also released into the atmosphere by certain other processes. It is necessary for respiration and combustion, and plays a vital role in maintaining the balance of gases in the atmosphere.

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  • 10. 

    What layer has the  ozone layer in it?

    • Mesosphere

    • Troposphere

    • Thermosphere

    • Stratosphere

    Correct Answer
    A. Stratosphere
    Explanation
    The ozone layer is located in the stratosphere. The stratosphere is the second layer of the Earth's atmosphere, above the troposphere. It is characterized by the presence of a high concentration of ozone molecules, which absorb and block a significant portion of the Sun's ultraviolet radiation. This layer plays a crucial role in protecting life on Earth by preventing harmful UV rays from reaching the surface.

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  • 11. 

    What is an atmosphere?

    • A layer of fluids surrounding an object.

    • A layer of gas surrounding a planet or moon.

    • A cloud of gas that allows us to breathe.

    • A layer of oxygen that surrounds a planet or moon.

    Correct Answer
    A. A layer of gas surrounding a planet or moon.
    Explanation
    An atmosphere refers to a layer of gas that surrounds a planet or moon. It is composed of various gases such as nitrogen, oxygen, carbon dioxide, and trace amounts of other gases. The atmosphere plays a crucial role in protecting the planet or moon from harmful radiation, regulating temperature, and providing the necessary gases for life forms to breathe and survive. It also contributes to weather patterns and other atmospheric phenomena.

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  • 12. 

    What atmospheric layer has most of the clouds?

    • Thermosphere

    • Stratosphere

    • Troposphere

    • Mesosphere

    Correct Answer
    A. Troposphere
    Explanation
    The troposphere is the atmospheric layer closest to the Earth's surface, extending up to about 8-15 kilometers. This layer contains most of the Earth's weather systems and is where clouds form. It is characterized by a decrease in temperature with increasing altitude. The other layers mentioned, such as the stratosphere, mesosphere, and thermosphere, are located higher up in the atmosphere and have different characteristics and functions.

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  • 13. 

    What  is the most common gas in the atmosphere?

    • Oxygen

    • Carbon dioxide

    • Nitrogen

    • Methane

    Correct Answer
    A. Nitrogen
    Explanation
    Nitrogen is the most common gas in the atmosphere. It makes up about 78% of the Earth's atmosphere. Oxygen is also present in the atmosphere, but in a lower concentration of about 21%. Carbon dioxide and methane are greenhouse gases that are present in much smaller amounts compared to nitrogen and oxygen.

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  • 14. 

    What makes up less than 1% of the atmosphere

    • Oxygen

    • Nitrogen

    • Carbon dioxide

    • Water vapor and other gases

    Correct Answer
    A. Water vapor and other gases
    Explanation
    Water vapor and other gases make up less than 1% of the atmosphere. This is because the majority of the atmosphere is composed of nitrogen (about 78%) and oxygen (about 21%). Carbon dioxide, although an important greenhouse gas, only makes up a very small fraction of the atmosphere (about 0.04%). The remaining less than 1% includes trace amounts of other gases such as argon, helium, methane, and ozone, as well as water vapor.

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  • 15. 

    What layer protects us by burning up most meteors?

    • Stratosphere

    • Mesosphere

    • Troposphere

    • Thermosphere

    Correct Answer
    A. Mesosphere
    Explanation
    The mesosphere is the layer of the Earth's atmosphere that protects us by burning up most meteors. This is because the mesosphere is the coldest layer of the atmosphere, with temperatures dropping as low as -90 degrees Celsius. When meteors enter the Earth's atmosphere, they experience immense heat due to the friction caused by their high speed. In the mesosphere, the meteors heat up and burn up before they can reach the Earth's surface, protecting us from potential impacts.

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  • 16. 

    What happens to temperature as you go higher in the troposphere?

    • It gets hotter

    • It gets colder

    • It stays the same

    • It is always changing

    Correct Answer
    A. It gets colder
    Explanation
    As you go higher in the troposphere, the temperature decreases. This is because the troposphere is the lowest layer of the Earth's atmosphere and is closest to the surface. The air in the troposphere is heated by the Earth's surface, so as you move away from the surface, there is less heat to warm the air, resulting in a decrease in temperature. This temperature change is known as the lapse rate, and it is a key characteristic of the troposphere.

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  • 17. 

    What is the coldest layer in the atmosphere?

    • Troposphere

    • Thermosphere

    • Stratosphere

    • Mesosphere

    Correct Answer
    A. Mesosphere
    Explanation
    The mesosphere is the coldest layer in the atmosphere. It is located above the stratosphere and below the thermosphere. Temperatures in the mesosphere can reach as low as -90 degrees Celsius (-130 degrees Fahrenheit). This layer is characterized by a decrease in temperature with increasing altitude due to the absence of ozone and the low density of molecules. It is also the layer where meteors burn up upon entering the Earth's atmosphere.

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  • 18. 

    What layer do weather balloons reach before they burst?

    • Mesosphere

    • Troposphere

    • Stratosphere

    • Thermosphere

    Correct Answer
    A. Stratosphere
    Explanation
    Weather balloons reach the stratosphere before they burst. The stratosphere is the second layer of the Earth's atmosphere, located above the troposphere. It extends from about 10 to 50 kilometers above the Earth's surface. Weather balloons are designed to ascend through the troposphere and into the stratosphere to collect data such as temperature, humidity, and atmospheric pressure. The stratosphere is an important layer for weather observation and study, as it contains the ozone layer and plays a crucial role in regulating the Earth's climate.

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  • 19. 

    What layer of the  atmosphere has the aurora borealis in it?

    • Stratosphere

    • Mesosphere

    • Troposphere

    • Thermosphere

    Correct Answer
    A. Thermosphere
    Explanation
    The aurora borealis, also known as the Northern Lights, occurs in the thermosphere. This is the layer of the atmosphere located above the mesosphere and extends from about 80 kilometers above the Earth's surface to the exosphere. The thermosphere is characterized by high temperatures and low density of air molecules. The aurora borealis is caused by the interaction between charged particles from the sun and the Earth's magnetic field, which takes place in the thermosphere.

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  • 20. 

    What happens to temperature as you go higher in the stratosphere?

    • It stays the same

    • It gets hotter

    • It gets colder

    • It is always changing

    Correct Answer
    A. It gets hotter
    Explanation
    As you go higher in the stratosphere, the temperature increases. This is because the stratosphere contains a layer called the ozone layer, which absorbs and scatters a significant amount of the Sun's ultraviolet radiation. This absorption leads to a warming effect, causing the temperature to rise with altitude.

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  • 21. 

    At what layer do most airplanes fly at the top of?

    • Lower stratosphere

    • Thermosphere

    • Mesosphere

    • Troposphere

    Correct Answer
    A. Lower stratosphere
    Explanation
    Most airplanes fly at the top of the lower stratosphere. The lower stratosphere is the layer of the Earth's atmosphere located above the troposphere, which is the layer closest to the surface. The lower stratosphere extends from about 10 kilometers to 50 kilometers above the Earth's surface. This is the layer where the ozone layer is located, which helps to absorb and block harmful ultraviolet radiation from the Sun. Flying at this altitude allows airplanes to avoid weather disturbances and turbulence commonly found in the lower layers of the atmosphere.

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  • 22. 

    Name two facts about the troposphere.

  • 23. 

    Name 1 fact about the other layers: Stratosphere, Mesosphere, Thermosphere

Quiz Review Timeline (Updated): Aug 16, 2024 +

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  • Current Version
  • Aug 16, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 23, 2015
    Quiz Created by
    Mderuiter
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