Gr 9 NATURAL SCIENCES: CH 4.1 Spheres of the Earth
45 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the biosphere?

  • The sphere of land, including Earth's crust and upper mantle.
  • The sphere of air, consisting of all gases surrounding Earth.
  • The sphere of water, including all of Earth's water bodies.
  • The sphere of life, encompassing all living organisms on Earth. (correct)

    • What percentage of Earth's surface is covered by water?

  • 80%
  • 50%
  • 60%
  • 70% (correct)

    • What is the hydrosphere?

  • The sphere of life, encompassing all living organisms on Earth.
  • The sphere of land, including Earth's crust and upper mantle.
  • The sphere of water, including all of Earth's water bodies. (correct)
  • The sphere of air, consisting of all gases surrounding Earth.

    • What is an example of the atmosphere?

    <p>Clouds</p> Signup and view all the answers

    What is the lithosphere?

    <p>The sphere of land, including Earth's crust and upper mantle.</p> Signup and view all the answers

    Where is most life on Earth found?

    <p>Within 3 meters below the surface to 30 meters above it</p> Signup and view all the answers

    What are the four interconnected spheres of the Earth?

    <p>Lithosphere, hydrosphere, atmosphere, and biosphere</p> Signup and view all the answers

    What is the main component of the Earth's atmosphere?

    <p>Nitrogen</p> Signup and view all the answers

    What is the lithosphere composed of?

    <p>Earth's crust and the upper part of the mantle</p> Signup and view all the answers

    What is an example of the interaction between the atmosphere and the biosphere?

    <p>Trees providing oxygen to the atmosphere</p> Signup and view all the answers

    What can happen when the balance between the spheres is disrupted?

    <p>The Earth's system is affected negatively</p> Signup and view all the answers

    What is an example of human activity that involves the lithosphere?

    <p>Harvesting crops using machinery made from materials from the lithosphere</p> Signup and view all the answers

    What is a consequence of pollution in the atmosphere?

    <p>The availability of carbon dioxide for trees is affected</p> Signup and view all the answers

    What is the importance of understanding the interactions between the spheres?

    <p>All of the above</p> Signup and view all the answers

    What is an example of the atmosphere?

    <p>The top of Earth's atmosphere</p> Signup and view all the answers

    Which of the following is NOT an example of the lithosphere?

    <p>Oceans</p> Signup and view all the answers

    What is the primary characteristic that defines the biosphere?

    <p>It includes all living organisms on Earth</p> Signup and view all the answers

    What is a common feature of the biosphere and hydrosphere?

    <p>Both support life on Earth</p> Signup and view all the answers

    Which of the following is an example of an interaction between the hydrosphere and atmosphere?

    <p>Cloud formation</p> Signup and view all the answers

    What is a consequence of the interaction between the spheres?

    <p>The sustaining of life on Earth</p> Signup and view all the answers

    Which of the following is NOT a characteristic of the atmosphere?

    <p>It is solid in form</p> Signup and view all the answers

    Why is understanding the interactions between the spheres important?

    <p>To appreciate the complexity of the Earth system</p> Signup and view all the answers

    What is the primary component of the Earth's atmosphere?

    <p>Nitrogen</p> Signup and view all the answers

    What is the region of the Earth's system that includes mountains, rocks, and soil?

    <p>Lithosphere</p> Signup and view all the answers

    What is the result of a disruption in the balance between the Earth's spheres?

    <p>A disruption in the entire Earth system</p> Signup and view all the answers

    What is an example of a natural event that can disrupt the balance of the Earth's system?

    <p>Floods</p> Signup and view all the answers

    What is the reason why humans need to understand the interactions between the Earth's spheres?

    <p>To ensure the Earth remains habitable</p> Signup and view all the answers

    What is an example of a resource that is obtained from the lithosphere?

    <p>Minerals</p> Signup and view all the answers

    What is the result of a shortage of water in the hydrosphere?

    <p>A hindrance to plant growth</p> Signup and view all the answers

    What is the role of trees in the biosphere?

    <p>To provide oxygen and food</p> Signup and view all the answers

    What is the primary characteristic of the atmosphere that affects its density?

    <p>Proximity to the Earth's surface</p> Signup and view all the answers

    Which of the following is an example of a resource that is not obtained from the lithosphere?

    <p>Carbon dioxide</p> Signup and view all the answers

    What is the primary consequence of a disruption in the balance between the Earth's spheres?

    <p>Impacts on the entire Earth system</p> Signup and view all the answers

    Which of the following is an example of a human activity that does not involve the lithosphere?

    <p>Breathing</p> Signup and view all the answers

    What is the primary reason why understanding the interactions between the spheres is crucial?

    <p>To maintain life and the environment</p> Signup and view all the answers

    Which of the following is an example of a natural event that does not disrupt the balance of the Earth's system?

    <p>Photosynthesis</p> Signup and view all the answers

    What is the primary characteristic that distinguishes the biosphere from the other spheres?

    <p>It is the sphere that is capable of supporting life.</p> Signup and view all the answers

    What is the primary role of trees in the interaction between the spheres?

    <p>To perform photosynthesis using resources from multiple spheres</p> Signup and view all the answers

    What is the primary consequence of a shortage of water in the hydrosphere?

    <p>Impacts on plant growth and development</p> Signup and view all the answers

    Which of the following is an example of an interaction between the lithosphere and the hydrosphere?

    <p>Formation of oceanic crust at mid-ocean ridges.</p> Signup and view all the answers

    What is the consequence of a shortage of water in the hydrosphere?

    <p>A disruption to the food chain and ecosystem balance.</p> Signup and view all the answers

    Which of the following is an example of a human activity that involves the atmosphere and the biosphere?

    <p>Deforestation and land use changes.</p> Signup and view all the answers

    What is the result of a disruption in the balance between the Earth's spheres?

    <p>A change in the Earth's climate and ecosystem.</p> Signup and view all the answers

    Which of the following is an example of a natural event that can disrupt the balance of the Earth's system?

    <p>All of the above.</p> Signup and view all the answers

    What is the reason why humans need to understand the interactions between the Earth's spheres?

    <p>To mitigate the impact of human activities on the environment.</p> Signup and view all the answers

    More Like This

    Exogenic Processes Quiz
    3 questions

    Exogenic Processes Quiz

    TantalizingTriumph avatar
    TantalizingTriumph
    The Water Cycle Basics
    5 questions

    The Water Cycle Basics

    BrainyCadmium avatar
    BrainyCadmium
    Environmental Science Quiz
    16 questions

    Environmental Science Quiz

    SatisfactoryEpilogue avatar
    SatisfactoryEpilogue
    पृथ्वी के पाँच महान क्षेत्र
    211 questions

    पृथ्वी के पाँच महान क्षेत्र

    TriumphalJasper1614 avatar
    TriumphalJasper1614
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser