Guided and Independent Learning Activities
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Questions and Answers

What is the main purpose of the 'Answer Key' in this module?

  • To give an overview of the models of the universe
  • To provide additional exercises for practice
  • To list the sources used in developing the module
  • To provide correct answers to activities in the module (correct)

    • What is the recommended way to answer exercises in the module?

  • Ignoring the exercises
  • Using a pen to mark directly on the module
  • Utilizing a separate sheet of paper (correct)
  • Annotating directly on the module

    • What is the importance of 'What I Need to Know' section in the module?

  • Introduce the concepts and focus of the module (correct)
  • Give an overview of models of the universe covered in the module
  • List references used in developing the module
  • Highlight tasks to be completed in the module

    • Which action should be taken if encountering difficulty with tasks in this module?

    <p>Consult your teacher or facilitator</p> Signup and view all the answers

    What should be completed before proceeding to other activities in the module?

    <p>'What I Know' exercise</p> Signup and view all the answers

    What should be done after finishing all activities in this module?

    <p>Return it to your teacher/facilitator</p> Signup and view all the answers

    What is the point called where the ecliptic intersects with the celestial equator?

    <p>The celestial equinox</p> Signup and view all the answers

    How did the Greeks deduce that the Earth is spherical?

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

    What did Eratosthenes observe about the sun's rays in Syene and Alexandria during the summer solstice?

    <p>No vertical shadow was cast in Syene, but a shadow was cast in Alexandria at an angle of 7.2°</p> Signup and view all the answers

    What did Eratosthenes assume about the sun's rays based on his observations in Syene and Alexandria?

    <p>The sun's rays were parallel and the difference in shadows was due to the curvature of the Earth's surface</p> Signup and view all the answers

    What distance did Eratosthenes find between the cities of Syene and Alexandria?

    <p>5000 stadia (approximately 800 km)</p> Signup and view all the answers

    What was the key observation that led the Greeks to conclude the Earth is round?

    <p>The circular shadow cast by the Earth during a lunar eclipse</p> Signup and view all the answers

    Which ancient civilization is credited with developing early models of the solar system?

    <p>Ancient Greeks</p> Signup and view all the answers

    What does the text suggest will be covered in this module?

    <p>The views of ancient Greeks about the universe and the origin of the solar system model</p> Signup and view all the answers

    Which of the following is NOT mentioned as being studied in previous grades?

    <p>The retrograde motion of planets</p> Signup and view all the answers

    In the activity described, what is being used as a reference?

    <p>A celestial sphere</p> Signup and view all the answers

    What is the objective of the activity described in the text?

    <p>To familiarize the coordinate system of the celestial sphere</p> Signup and view all the answers

    Which of the following is NOT one of the items mentioned in the activity?

    <p>Equivalent to the Earth's rotation</p> Signup and view all the answers

    Why did Eratosthenes believe the Earth's circumference must be approximately 40,000 kilometers?

    <p>From the measurement of 50 x 5000 stadia</p> Signup and view all the answers

    What was the significance of the spherical shape of Earth according to Greek beliefs?

    <p>To satisfy their sense of symmetry</p> Signup and view all the answers

    What did the Egyptians base their calendar on?

    <p>365-day year</p> Signup and view all the answers

    How did early Chinese civilizations use their knowledge of astronomical events?

    <p>For navigation using stars</p> Signup and view all the answers

    What is diurnal motion in modern astronomy?

    <p>The apparent daily motion due to Earth's rotation</p> Signup and view all the answers

    Why did humans depend on their senses to grasp the universe before telescopes were invented?

    <p>Because telescopes had not been invented yet</p> Signup and view all the answers

    What does this learning resource aim to help learners acquire?

    <p>Needed 21st-century skills</p> Signup and view all the answers

    What is the purpose of the 'Notes to the Teacher' box in the module?

    <p>To provide helpful tips or strategies for the teacher</p> Signup and view all the answers

    What is the teacher expected to do as a facilitator?

    <p>Orient the learners on how to use the module</p> Signup and view all the answers

    What is the learner's role in this learning process?

    <p>To manage their own learning and progress</p> Signup and view all the answers

    What is the significance of the human hand mentioned in the text?

    <p>It depicts the learner's ability to create, accomplish, and learn</p> Signup and view all the answers

    What is the key message conveyed to the learner in the text?

    <p>The learner's academic success lies in their own hands</p> Signup and view all the answers

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