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Questions and Answers

What feature of Earth protects it from harmful radiation from the Sun?

  • The atmosphere and magnetic field (correct)
  • The solid inner core
  • The rocky surface
  • The presence of liquid water

    • Which characteristic distinguishes Earth from other planets in the solar system?

  • It is the only planet with atmospheric pressure
  • It is the only rocky planet
  • It is the only planet that rotates on its axis
  • It is the only planet with a large amount of liquid water (correct)

    • What crucial element does Earth provide to sustain life?

  • Abundant solar energy
  • High levels of carbon dioxide
  • Sufficient nutrients from ocean to land (correct)
  • Certain minerals found in rocks

    • Which statement about Earth’s temperature is correct?

    <p>Earth’s temperature is moderate compared to other planets.</p> Signup and view all the answers

    What is a characteristic of Earth that can change its structure?

    <p>Volcanic activity</p> Signup and view all the answers

    What makes the planet Earth habitable compared to other planets?

    <p>It has liquid water.</p> Signup and view all the answers

    Which factors are needed for organisms to live on Earth?

    <p>Both A and B.</p> Signup and view all the answers

    What characteristics does the Earth have to maintain an organism’s body to survive?

    <p>Earth has volcanic activities to circulate nutrients.</p> Signup and view all the answers

    Which among the set of planets are called terrestrial?

    <p>Mercury, Venus, Mars, Earth.</p> Signup and view all the answers

    Which statement accurately describes why Earth is considered a unique planet?

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

    What does the 'What I Need to Know' section provide?

    <p>An overview of the expected competencies</p> Signup and view all the answers

    What is the percentage of water that comprises the Earth?

    <p>70%.</p> Signup and view all the answers

    If a learner answers all questions correctly in 'What I Know', what can they do?

    <p>Skip the module</p> Signup and view all the answers

    What makes Earth similar to Venus?

    <p>Both B and C.</p> Signup and view all the answers

    What is the purpose of the 'What's In' section?

    <p>To help link current lessons with previous knowledge</p> Signup and view all the answers

    Which section aims to present a new lesson in varied ways?

    <p>What’s New</p> Signup and view all the answers

    Why is Earth called a terrestrial planet?

    <p>It has a solid, rocky surface.</p> Signup and view all the answers

    'What is It' section primarily focuses on which aspect of the lesson?

    <p>Offering a brief discussion of new concepts</p> Signup and view all the answers

    What type of activities are included in the 'What's More' section?

    <p>Activities for independent practice</p> Signup and view all the answers

    What activity does the 'What I Can Do' section provide?

    <p>Activities to apply knowledge to real-life situations</p> Signup and view all the answers

    What is the purpose of the 'Assessment' section in the module?

    <p>To evaluate mastery of the learning competencies</p> Signup and view all the answers

    What unique feature does Earth possess that is essential for the existence of life?

    <p>Liquid water on its surface</p> Signup and view all the answers

    Which factor contributes to Earth's habitability by providing protection from the sun's rays?

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

    Which of the following planets does NOT have liquid water?

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

    What characteristic of Earth helps maintain a suitable temperature for life?

    <p>Its distance from the sun</p> Signup and view all the answers

    Which combination of elements is essential for life on Earth?

    <p>Oxygen and carbon</p> Signup and view all the answers

    Which terrestrial planet is most similar to Earth in terms of having water?

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

    How much of Earth's surface is covered by liquid or frozen water?

    <p>70%</p> Signup and view all the answers

    What is one major difference between Earth and Venus regarding their atmospheres?

    <p>Venus has a thicker atmosphere with no water.</p> Signup and view all the answers

    Which planet is known for having a very thick atmosphere that is almost as dense as Earth's?

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

    Which of the following statements about Mars is correct?

    <p>Mars is colder than Earth.</p> Signup and view all the answers

    What primarily distinguishes the atmosphere of Earth from that of Venus?

    <p>Earth's atmosphere is more conducive to life.</p> Signup and view all the answers

    Which of the following organisms are likely to inhabit a planet with conditions similar to Earth?

    <p>A mix of complex and simple life forms.</p> Signup and view all the answers

    What is the relationship between Earth and Mars in terms of climate?

    <p>Mars is colder than Earth.</p> Signup and view all the answers

    Which feature is NOT characteristic of Venus?

    <p>Liquid water on its surface.</p> Signup and view all the answers

    In terms of atmospheric composition, how does Mars differ from Earth?

    <p>Mars has less oxygen.</p> Signup and view all the answers

    What characteristic makes Earth unique among the planets discussed?

    <p>It is the only planet known to support life.</p> Signup and view all the answers

    Study Notes

    Learning Module Structure

    • What I Need to Know: Introduces expected skills or competencies for the module.
    • What I Know: Offers a pre-assessment activity to gauge existing knowledge; a perfect score allows skipping the module.
    • What’s In: Engages with a brief review linking current lesson to previous topics.
    • What’s New: Introduces new content through diverse methods like stories, songs, or activities.
    • What is It: Provides an overview of the lesson, focusing on concept discovery and understanding.
    • What’s More: Contains independent practice activities, with answers available in the Answer Key.
    • What I Have Learned: Encourages reflection through fill-in-the-blank questions related to the lesson.
    • What I Can Do: Suggests activities for applying new knowledge in real-life contexts.
    • Assessment: Evaluates mastery of the learning competency.

    Earth: Characteristics and Habitation

    • Earth is the only confirmed planet in the universe to support life.
    • The planet has a molten nickel-iron core, creating a magnetic field that protects from solar radiation.
    • Approximately 70% of Earth's surface is covered by liquid water, earning it the name "blue planet."
    • Essential for life: Earth has the right distance from the sun, a well-insulated atmosphere, and critical chemical components like water and carbon.

    Terrestrial Planets

    • Earth, Venus, and Mars are classified as terrestrial planets, composed of solid rocks and silicates.
    • Similarities among these planets include the presence of atmospheres, comparable rotation times, and shared elements like carbon dioxide and landforms.
    • Differences include: Venus lacks water and oxygen, while Earth hosts diverse life forms.

    Habitable Planet Factors

    • Key factors that make Earth habitable:
      • Presence of liquid water on the surface.
      • A protective atmosphere that filters harmful radiation.
      • Plate tectonics contributing to nutrient circulation.
    • Earth is situated at a favorable distance from the sun, contributing to its warmth and climate stability.

    Unique Features of Earth

    • Earth's atmosphere primarily consists of nitrogen and oxygen, crucial for life sustenance.
    • The planet supports not just life but vital ecosystems with a variety of organisms.
    • Earth's distinct characteristic is its extensive amount of liquid water, unlike other rocky planets.

    Key Questions and Responses

    • Earth is classified as terrestrial due to its solid, rocky surface and ability to sustain life.
    • Over 70% of Earth is made up of water; critical for supporting life.
    • Essential factors for life include temperature regulation, atmosphere, and nutrients.

    Activities and Application

    • Compare and contrast Earth with Venus and Mars to identify differences and similarities.
    • Engage in creating a hypothetical planet with specific climate and life forms to understand planetary characteristics.

    Summary of Key Concepts on Earth’s Habitation

    • Earth is exceptional due to its combination of liquid water, protective atmosphere, and ability to support complex life, making it uniquely "habitable" in our solar system.

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    Quiz Team

    Description

    This quiz introduces the Active Learning Module, outlining key competencies and knowledge expected from learners. It features sections designed to assess prior knowledge and prepare learners for new skills. Engage with various activities to enhance your learning experience.

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