Earth As A System

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| By Kiyah_london13
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Quizzes Created: 1 | Total Attempts: 1,142
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    What happens to temperatures in the mantle?

    • They get warmer as you get deeper
    • They get cooler as you get deeper
    • Nothing changes
    • Everything stays the same
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About This Quiz

This quiz will cover the Earth System. Few Questions, Quick Quiz!

Earth As A System - Quiz

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  • 2. 

    The largest percentage of the atmosphere is _________.

    • Carbon

    • Sand

    • Silicon

    • Nitrogen

    Correct Answer
    A. Nitrogen
    Explanation
    Nitrogen is the correct answer because it makes up approximately 78% of Earth's atmosphere. It is an essential component for many biological processes and plays a crucial role in the nitrogen cycle, which is important for the growth of plants and other organisms. Carbon, sand, and silicon are not major components of the atmosphere and do not make up a significant percentage of it.

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  • 3. 

    Abiotic is _______

    • Neither plant or animal

    • Animal

    • Plant

    • Both plant and animal

    Correct Answer
    A. Neither plant or animal
    Explanation
    The term "abiotic" refers to non-living factors or elements in an ecosystem. It includes things like temperature, sunlight, water, soil, and minerals. Since abiotic factors are not living organisms, they cannot be classified as either plants or animals. Therefore, the correct answer is "neither plant or animal".

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  • 4. 

    What is the lower portion of the crust and the upper semi-solid portion of the mantle?

    • Core

    • Asthenosphere

    • Meosphere

    • Crust

    Correct Answer
    A. Asthenosphere
    Explanation
    The asthenosphere is the correct answer because it is the lower portion of the crust and the upper semi-solid portion of the mantle. It is located beneath the lithosphere and is characterized by its ability to flow slowly over time. The asthenosphere plays a crucial role in plate tectonics and is responsible for the movement of the Earth's tectonic plates.

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  • 5. 

     Bacteria near plant roots is an essential part of __________

    • The phosporus cyle

    • The water cycle

    • The nitrogen cycle

    • The hydromonkey cycle

    Correct Answer
    A. The nitrogen cycle
    Explanation
    Bacteria near plant roots is an essential part of the nitrogen cycle. Nitrogen-fixing bacteria convert atmospheric nitrogen into a usable form for plants, which is then taken up by the plants through their roots. This process is crucial for plant growth and the overall health of ecosystems.

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  • 6. 

    The water cyle is  ___________________.

    • A open system

    • A closed system

    • Made up of both systems

    • Made up of either systems

    Correct Answer
    A. A open system
    Explanation
    The water cycle is an open system because it involves the continuous movement and exchange of water between the atmosphere, land, and oceans. Water evaporates from bodies of water and land surfaces, rises into the atmosphere, condenses to form clouds, and then precipitates back to the Earth's surface as rain or snow. This process repeats itself, allowing for the constant circulation and exchange of water in the Earth's system.

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  • 7. 

    What is the most solid part of the earth including the molten interior?

    • Hydrosphere

    • Biosphere

    • Geosphere

    • Lithosphere

    Correct Answer
    A. Geosphere
    Explanation
    The geosphere refers to the solid part of the Earth, including the crust, mantle, and core. This encompasses both the solid surface of the Earth and the molten interior. The hydrosphere refers to all the water on Earth, including oceans, lakes, and groundwater. The biosphere refers to all living organisms on Earth. The lithosphere refers specifically to the rigid outer part of the Earth, including the crust and upper mantle. Therefore, the most solid part of the Earth, including the molten interior, is the geosphere.

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  • 8. 

    Which portion of Earth has the greatest volume?

    • Core

    • Lithosphere

    • Mantle

    • Crust

    Correct Answer
    A. Mantle
    Explanation
    The mantle is the correct answer because it is the layer of the Earth that lies between the crust and the core. It is the thickest layer and has the greatest volume compared to the other options. The mantle is composed of solid rock and is responsible for the movement of tectonic plates, which causes earthquakes, volcanic activity, and the formation of mountains.

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  • 9. 

    The source of earths magnetic field may be __________________.

    • The mantle

    • The liquid iron in earths outer core

    • The liquid in earths inner core

    • The crust

    Correct Answer
    A. The liquid iron in earths outer core
    Explanation
    The correct answer is the liquid iron in earth's outer core. Earth's magnetic field is generated by the movement of liquid iron in the outer core, which creates electric currents. These electric currents generate a magnetic field that extends from the core to the surface of the Earth. The liquid iron in the outer core is in constant motion due to the convection currents caused by the heat from the inner core. This movement of the liquid iron generates the Earth's magnetic field.

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  • 10. 

    What system has an aquarium that needs food added for fish to eat?

    • A open system

    • A closed system

    • Both systems

    • Neither systems

    Correct Answer
    A. A closed system
    Explanation
    In a closed system, the aquarium is self-contained and does not exchange matter with its surroundings. Therefore, in order to provide food for the fish, it needs to be added manually since there is no natural input of nutrients. This is in contrast to an open system where the aquarium is connected to the external environment, allowing for a continuous flow of resources including food for the fish.

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  • 11. 

    What is a Consumer?

    • Plant

    • Both plant and animal

    • Neither plant or animal

    • Animal

    Correct Answer
    A. Animal
    Explanation
    A consumer is an organism that obtains its energy by consuming other organisms. Animals are consumers because they consume plants or other animals for their energy needs. Plants, on the other hand, are producers as they produce their own food through photosynthesis. Therefore, the correct answer is "animal".

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  • 12. 

    The lines of force of Earths magnetic field extend between ___________________.

    • The equator

    • The north geomagnetic pole & the south geomagnetic pole

    • The north geographic pole & the south geographic pole

    • The lines of latitude and longitude

    Correct Answer
    A. The north geomagnetic pole & the south geomagnetic pole
    Explanation
    The lines of force of Earth's magnetic field extend between the north geomagnetic pole and the south geomagnetic pole. These poles are not the same as the north and south geographic poles, which are the points where the Earth's axis of rotation intersects the surface. The geomagnetic poles are the points where the Earth's magnetic field is vertical, and the lines of force extend between these poles, creating a magnetic field that surrounds the Earth. This magnetic field is responsible for phenomena such as the auroras and the functioning of compasses.

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  • 13. 

    Which system consists of the many small systems that make up the large earth system?

    • Closed system

    • Both systems

    • Neither systems netither systems

    • Open systems

    Correct Answer
    A. Open systems
    Explanation
    The correct answer is open systems. Open systems refer to a system that interacts with its environment, allowing for the exchange of matter and energy. The Earth system is composed of various interconnected subsystems, such as the atmosphere, hydrosphere, biosphere, and geosphere, which all interact with each other and with external factors. This interaction and exchange of matter and energy characterize the Earth system as an open system.

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  • 14. 

    The most percentage of the Geosphere is covered by ______.

    • Hydrosphere

    • Oxygen

    • Water

    • Sand

    Correct Answer
    A. Oxygen
    Explanation
    The Geosphere refers to the solid parts of the Earth, including rocks, minerals, and landforms. Oxygen is a major component of the Earth's crust, making up about 46% of its mass. It is found in various minerals and rocks, such as silicates and oxides. Therefore, the most percentage of the Geosphere is covered by oxygen.

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  • Current Version
  • Apr 08, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 08, 2012
    Quiz Created by
    Kiyah_london13
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