Astronomy and Earth Science Quiz
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Questions and Answers

Which constellation is associated with the title 'Queen of Ethiopia'?

  • Cassiopeia (correct)
  • Cetus
  • Andromeda
  • Cepheus

    • What is the Latin name for the constellation representing the 'Water bearer'?

  • Apus
  • Gemini
  • Aquarius (correct)
  • Cetus

    • Which constellation represents a 'Sea monster'?

  • Cetus (correct)
  • Cepheus
  • Apus
  • Andromeda

    • What practical activity demonstrates why stars are not visible during the day?

    <p>Flashing a torch in a dark room</p> Signup and view all the answers

    Which constellation is referred to as the 'Twins'?

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

    What is the correct order of distance from the sun for the planets in the solar system?

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

    Which title corresponds to the constellation named after the 'Princess of Ethiopia'?

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

    What is the significance of the rubber band in the described activity?

    <p>To secure the paper to the torch</p> Signup and view all the answers

    What term describes the upward movement of molten rock beneath the Earth’s surface?

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

    Which part of the Earth is composed of minerals and lies below the crust?

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

    Which of the following best defines a planet?

    <p>A spherical object that orbits a star</p> Signup and view all the answers

    What phenomenon occurs when day and night are of equal duration?

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

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

    <p>Nickel and iron</p> Signup and view all the answers

    Which layer of the Earth is described as the water surface including oceans, seas, and lakes?

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

    What term describes the movement of the Earth around the Sun?

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

    Which layer of the Earth is primarily composed of solid rock?

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

    What environment is most conducive for the formation of sedimentary rock?

    <p>At the Earth's surface, particularly in water bodies</p> Signup and view all the answers

    How does magma change when it reaches the Earth's surface?

    <p>It transforms into lava</p> Signup and view all the answers

    Which of the following best describes what metamorphic rocks are?

    <p>Rocks formed from pre-existing rocks under heat and pressure</p> Signup and view all the answers

    What is the significance of layering in sedimentary rocks?

    <p>It shows the sequence of sediment deposition over time</p> Signup and view all the answers

    Which agent is not responsible for the formation of metamorphic rocks?

    <p>Water erosion</p> Signup and view all the answers

    Which rock type is considered a precursor to marble?

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

    What temperature range is common for the formation of magma within the Earth?

    <p>900 - 1600 °C</p> Signup and view all the answers

    What does the term 'metamorphism' refer to in geology?

    <p>The transformation of existing rocks due to heat and pressure</p> Signup and view all the answers

    What is the primary reason for day and night on Earth?

    <p>The Earth's rotation on its axis</p> Signup and view all the answers

    How long does it take for the Earth to complete one rotation around its axis?

    <p>24 hours</p> Signup and view all the answers

    What causes the phenomenon of tides on Earth?

    <p>Gravitational pull between the Earth, Sun, and Moon</p> Signup and view all the answers

    What is the angle at which the Earth's axis is tilted?

    <p>23.5°</p> Signup and view all the answers

    What is the second most abundant gas in Earth's atmosphere?

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

    Which directional movement does the Earth rotate towards?

    <p>West to East</p> Signup and view all the answers

    What climatic effects are influenced by the tilt of Earth's axis?

    <p>Seasons and weather patterns</p> Signup and view all the answers

    Which process contributes nitrogen to the atmosphere?

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

    Which component of the Earth interacts with the atmosphere to influence temperature in mountain ranges?

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

    What is the formula to calculate the population doubling time?

    <p>Doubling Time = 70 / growth rate</p> Signup and view all the answers

    Which aspect of Earth's movement creates the diurnal cycle of light and darkness?

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

    How many main components or subsystems are there in the Earth's integrated system?

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

    What contributed significantly to the rapid population growth since the 18th century?

    <p>Advancements in agriculture and medicine</p> Signup and view all the answers

    Which of the following best describes revolution?

    <p>Movement around the Sun</p> Signup and view all the answers

    Which of the following describes the relationship between humans and the Earth's spheres?

    <p>Humans utilize all of the spheres for survival.</p> Signup and view all the answers

    How many years will it take for the population to double if the growth rate is 2%?

    <p>35 years</p> Signup and view all the answers

    Which factor does NOT contribute to population growth?

    <p>High costs of vaccines</p> Signup and view all the answers

    Which gas makes up the majority of the remaining gases in the atmosphere besides nitrogen and oxygen?

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

    What was the world population approximately in the year 1750?

    <p>791 million</p> Signup and view all the answers

    What effect do high mountain ranges have on local climates?

    <p>They often create cooler temperatures.</p> Signup and view all the answers

    In the integrated system of Earth, what role does the biosphere play?

    <p>It includes all living things on the planet.</p> Signup and view all the answers

    Study Notes

    Grade 7 Social Studies Textbook

    • The textbook is published by the Addis Ababa City Administration Education Bureau in Addis Ababa, Ethiopia, 2014 E.C.
    • The textbook is for grade 7 students.
    • The book emphasizes taking good care of the textbook.
    • Ten ideas for maintaining the textbook are provided.
    • These include covering the book, keeping it clean and dry, handling it with care, and using bookmarks instead of writing on the inside pages.
    • The authors, editors, reviewers, and evaluators are listed.
    • The book includes an acknowledgment section.
    • The development and publishing of the book were made possible through the dedication and support of Ato Zelalem Mulatu.
    • Content related to various units of the subject, includes the solar system, human evolution, world population, natural resources, and ancient history
    • Specific details within each unit, such as the origin of the earth, shape and characteristics of Earth.
    • Information and exercises about several topics.

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    Grade 7 Social Studies Textbook PDF

    Description

    Test your knowledge on astronomy and Earth science with this engaging quiz. It covers topics such as constellations, planets, and geological concepts. Perfect for students and enthusiasts looking to deepen their understanding of the universe and our planet.

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