Earth and Space Science: Plate Tectonics
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Questions and Answers

Which of the following types of plate boundaries is characterized by the creation of new oceanic crust?

  • Divergent (correct)
  • Transform
  • Convergent
  • Conservative
  • What type of volcano is formed by alternating layers of lava and ash?

  • Cinder Cone
  • Shield Volcano
  • Composite Volcano (correct)
  • Caldera
  • Which of the following is NOT a type of volcanic activity?

  • Potentially Active
  • Active
  • Dormant
  • Submerged (correct)
  • What is the relationship between magma's silica content and its viscosity?

    <p>Inversely proportional: Higher silica content leads to higher viscosity (D)</p> Signup and view all the answers

    Which of the following is NOT evidence supporting the theory of plate tectonics?

    <p>Lunar phases (A)</p> Signup and view all the answers

    What is the significance of the occurrence of earthquakes and volcanoes along plate boundaries?

    <p>It suggests that the lithosphere is being affected by plate movements (C)</p> Signup and view all the answers

    Which of the following scenarios is an example of a convergent plate boundary?

    <p>An oceanic plate subducting beneath a continental plate, creating a volcanic arc (A), Two continental plates colliding, forming a mountain range (D)</p> Signup and view all the answers

    What is the primary force that drives volcanic eruptions?

    <p>An increase in magmastatic pressure (A)</p> Signup and view all the answers

    What is the primary difference between a phreatic and a phreatomagmatic eruption?

    <p>The presence of magma. (C)</p> Signup and view all the answers

    Which volcanic hazard is considered the most lethal and is characterized by a mixture of volcanic particles?

    <p>Pyroclastic Density Currents (B)</p> Signup and view all the answers

    What is the primary climatic factor that contributes to the formation of a tropical climate?

    <p>Latitude (B)</p> Signup and view all the answers

    What is the primary difference between a constellation and an asterism?

    <p>A constellation is a group of stars that appear to form a pattern, while an asterism is a more recognizable pattern that can be part of one or multiple constellations. (A)</p> Signup and view all the answers

    How do ocean currents influence climate?

    <p>Warmer currents carry warm water, leading to warmer climates, and colder currents carry cold water, causing colder climates. (B)</p> Signup and view all the answers

    Which of the following is NOT a characteristic used to describe stars?

    <p>Age of the Star (D)</p> Signup and view all the answers

    Which of the following is a key indicator of Global Climate Change?

    <p>Melting of ice caps and glaciers (A)</p> Signup and view all the answers

    What is the primary difference between El Niño and La Niña?

    <p>El Niño involves warming, while La Niña involves cooling in the Eastern Pacific Ocean. (A)</p> Signup and view all the answers

    What celestial object is NOT a constellation or asterism but serves as an important navigation tool?

    <p>Polaris (B)</p> Signup and view all the answers

    Why do we see different constellations at different times of the year?

    <p>The Earth's revolution around the Sun causes us to view different parts of the sky throughout the year. (A)</p> Signup and view all the answers

    Which of the following is NOT a practical way to mitigate the impacts of climate change?

    <p>Use more fossil fuels (B)</p> Signup and view all the answers

    What is the primary component of a galaxy, besides stars?

    <p>Dust and Gas (A)</p> Signup and view all the answers

    What is the main driving force behind the Strombolian type of volcanic eruption?

    <p>The release of pressure from a build-up of trapped gas. (D)</p> Signup and view all the answers

    Which of the following is NOT a component of a galaxy?

    <p>Central Black Hole (A)</p> Signup and view all the answers

    What is the significance of the Balatik constellation in tribal culture?

    <p>It signals the beginning of the planting season. (D)</p> Signup and view all the answers

    Which of the following is NOT a measure or characteristic of a star?

    <p>Age (D)</p> Signup and view all the answers

    Flashcards

    Plate Tectonics Theory

    The theory that Earth's lithosphere is divided into plates that move.

    Evidence of Plate Tectonics

    Fossils, earthquake locations, geological features, and seafloor spreading support this theory.

    Plate Boundaries

    Regions where tectonic plates interact; types include convergent, divergent, and transform boundaries.

    Convergent Boundaries

    Where two tectonic plates move toward each other, often causing one plate to sink.

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    Divergent Boundaries

    Where two tectonic plates move away from each other, resulting in new crust formation.

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    Cinder Cone Volcano

    A volcano built from lava piles, often steep with small eruptions (e.g., Taal).

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    Active Volcano

    A volcano that has erupted in the last 10,000 years and still shows activity.

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    volcanic eruption factors

    Eruption nature influenced by magma's temperature, viscosity, silica content, and dissolved gasses.

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    Phreatic Eruption

    An eruption caused by hot rocks contacting surface water, leading to steam explosions.

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    Plinian Eruption

    A type of explosive eruption with eruptive columns reaching heights of 2-45 kilometers.

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    Pyroclastic Density Currents

    Lethal flows composed of volcanic ash, tephra, and hot gas that travel rapidly.

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    Global Warming

    The long-term increase in Earth's average surface temperature due to human activities and greenhouse gases.

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    El Niño

    A climate phenomenon characterized by abnormal warming in the Eastern Pacific Ocean, affecting global weather patterns.

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    La Niña

    A climate phenomenon marked by unusual cooling in the Eastern Pacific Ocean, influencing weather patterns.

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    Factors Affecting Climate

    Aspects such as latitude, altitude, and ocean currents that influence climate patterns and temperatures.

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    Mitigating Climate Change

    Practical actions taken to reduce the effects of climate change, such as recycling and energy conservation.

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    Color and Temperature of Stars

    A star's color indicates its surface temperature, with blue being hottest and red being coolest.

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    Apparent Brightness

    The brightness of a star as seen from Earth, influenced by distance and intrinsic luminosity.

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    Absolute Brightness

    The brightness a star would have at a standard distance of ten parsecs from Earth.

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    Constellation

    A group of stars forming a recognizable pattern, often named for animals or objects.

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    Asterism

    A notable pattern of stars which can belong to one or more constellations.

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    Circumpolar Constellations

    Constellations located near the celestial poles that appear to move in a circular path around the pole.

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    Astrology

    The belief system proposing that human events are influenced by the arrangement of celestial objects.

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    Polaris

    The North Star, important for navigation but not classified as a constellation or asterism.

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    Study Notes

    Earth and Space Science

    • Plate Tectonics Theory: Proposes the Earth's lithosphere is composed of plates.
    • Evidence Supporting Plate Tectonics:
      • Fossil distribution: Similar fossils found in different locations.
      • Earthquake and volcano locations: Clustered at plate boundaries.
      • Geological Features: Activities occur along boundaries.
      • Spreading seafloor: Molten material causes plates to move apart.
    • Plate Boundaries: These are locations where plate interactions cause geological activity.
    • Convergent Boundaries: Plates move toward each other.
      • Types include fold mountains, deep-sea trenches and volcanic mountains.
      • Resulting movement is destructive.
        • Continental-Continental: Neither plate sinks.
        • Continental-Oceanic and Oceanic-Oceanic: Denser oceanic plate sinks.
    • Divergent Boundaries: Plates move away from each other.
      • Types include mid-ocean ridges and rift valleys
      • Resulting movement is constructive.
    • Transform Boundaries: Plates slide past each other.
      • Types include major earthquakes.
      • Resulting movement is conservative.
    • Volcanoes:
      • Types (Structure):
        • Cinder Cone (e.g., Taal) – Piles of lava
        • Composite/Stratovolcano (e.g., Mayon) – Alternating layers of lava and ash.
        • Shield (e.g., Mauna Kea) – Outpourings of lava
      • Types (Activity):
        • Active – Erupted within last 10,000 years.
        • Potentially-Active – Young looking, no recent eruption records
        • Inactive – Not erupted in last 10,000 years.
    • Volcanic Eruptions: Magma's temperature, viscosity, silica content, amount of dissolved gases are factors that affect eruptions.
      • Types: Phreatic, Phreatomagmatic, Strombolian, Vulcanian, Plinian
    • Volcanic Hazards: Lava flows, tephra falls, pyroclastic density currents (PDCs).
    • Energy from Volcanoes: Hot water from volcanic activity can be converted to steam to generate electricity.
    • Climate Factors: Latitude, altitude, distance from sea, topography regulate climate.
    • Climate Phenomena: Global Warming, El Niño, La Niña.
    • Indicators of Climate Change: Rising temperatures, sea levels, melting ice caps.
    • Practical Ways to Mitigate Climate Change: Reduce, reuse, recycle, eat vegetables, save energy.
    • Stars and Constellations:
      • Stars are massive balls of gas (Hydrogen and Helium).
    • Movement of Stars: Earth's rotation and revolution affect star visibility.
    • Beliefs and Practices about Constellations: Astrology and Indigenous practices like using constellations for navigation.
    • Galaxies: Composed of Hydrogen, Helium, oxygen and Carbon.
      • Types: Spiral, Elliptical and Irregular.
      • Components: Disk, bulge.

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    Description

    This quiz covers the fundamental concepts of plate tectonics, including the theory itself, supporting evidence, and the various types of plate boundaries. You'll explore how geological features are formed and the nature of interactions between tectonic plates. Test your knowledge on the critical aspects of Earth’s structure and movement.

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