Science 5 - Stars And Constellations

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| By Nancy
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Quizzes Created: 2 | Total Attempts: 896
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Science 5 - Stars And Constellations - Quiz

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Questions and Answers
  • 1. 

    What is the color of the hottest star?

    • A.

      Blue

    • B.

      Orange

    • C.

      Red

    • D.

      Yellow

    Correct Answer
    A. Blue
    Explanation
    The color of a star is determined by its temperature. The hottest stars have temperatures above 10,000 Kelvin, which causes them to emit a blue color. As the temperature decreases, stars transition to white, yellow, orange, and finally red. Therefore, the correct answer is blue, as it corresponds to the hottest stars.

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  • 2. 

    Why does the sun seem to be the biggest star in the universe?

    • A.

      It is a yellow star.

    • B.

      It is the hottest star.

    • C.

      It is the brightest star.

    • D.

      It is the nearest star from earth.

    Correct Answer
    D. It is the nearest star from earth.
    Explanation
    The sun seems to be the biggest star in the universe because it is the nearest star from Earth. The distance between the sun and Earth is much smaller compared to other stars, making it appear larger in the sky. While the sun is not actually the largest star in the universe, its proximity to Earth gives it the perception of being the biggest.

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  • 3. 

    What is the name of the star closest to Earth next to sun?

    • A.

      Betelgeuse

    • B.

      Polaris

    • C.

      Proxima Centauri

    • D.

      Rigel

    Correct Answer
    C. Proxima Centauri
    Explanation
    Proxima Centauri is the correct answer because it is the closest star to Earth after the Sun. It is located in the Alpha Centauri star system, which is approximately 4.24 light-years away from us. Proxima Centauri is a red dwarf star and is part of a triple star system along with Alpha Centauri A and B. Its proximity to Earth makes it an important target for scientific research and exploration in the field of astronomy.

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  • 4. 

    Why is Polaris helpful in finding directions?

    • A.

      It can be seen both day and night.

    • B.

      It is the biggest star in the universe.

    • C.

      It is the most visible star in the night.

    • D.

      It is a fixed star which always points at the north.

    Correct Answer
    D. It is a fixed star which always points at the north.
    Explanation
    Polaris is helpful in finding directions because it is a fixed star that always points at the north. This means that if you can locate Polaris, you can determine which way is north, and from there, navigate and find other directions. The fact that Polaris is fixed and always points north makes it a reliable and consistent reference point for navigation purposes.

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  • 5. 

    Which constellation has a shape of a mythical hunter?

    • A.

      Cassiopeia

    • B.

      Orion

    • C.

      Pegasus

    • D.

      Ursa Major

    Correct Answer
    B. Orion
    Explanation
    Orion is the correct answer because it is a constellation that is often depicted as a mythical hunter in Greek mythology. The constellation is named after Orion, a legendary hunter in Greek mythology who was known for his strength and skill. In the night sky, Orion is easily recognizable by its distinct shape, which resembles a hunter holding a bow and arrow. The constellation is also home to several notable stars and objects, including the bright stars Betelgeuse and Rigel, as well as the Orion Nebula.

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  • 6. 

    The largest known star is called _____.

    • A.

      Arcturus

    • B.

      Betelgeuse

    • C.

      Polaris

    • D.

      VY Canis Major

    Correct Answer
    D. VY Canis Major
    Explanation
    VY Canis Major is the correct answer because it is currently recognized as one of the largest known stars in the universe. It is a red hypergiant located in the constellation Canis Major, hence the name. VY Canis Major has an estimated radius of around 1,800 times that of the Sun, making it one of the largest stars ever observed. Its immense size and luminosity have made it a subject of great interest and study in the field of astronomy.

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  • 7. 

    It is an imaginary belt or path in the heavens that includes the path of the planets.

    • A.

      Constellations

    • B.

      Zodiac

    • C.

      Asterism

    • D.

      Star

    Correct Answer
    B. Zodiac
    Explanation
    The zodiac is an imaginary belt or path in the heavens that includes the path of the planets. It is divided into twelve equal parts, each named after a constellation that appears in that region of the sky. The zodiac is commonly used in astrology to determine the position of celestial bodies and their influence on human affairs.

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  • 8. 

    Big Dipper and Little Dipper are examples of _____.

    • A.

      Star

    • B.

      Zodiac

    • C.

      Asterism

    • D.

      Constellations

    Correct Answer
    C. Asterism
    Explanation
    The Big Dipper and Little Dipper are examples of asterisms. An asterism is a recognizable pattern of stars within a larger constellation. While constellations are officially recognized and named patterns of stars, asterisms are informal groupings that are easier to identify and locate in the night sky. The Big Dipper and Little Dipper are both asterisms within the Ursa Major and Ursa Minor constellations, respectively.

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  • 9. 

    It is also called as the North Star.

    • A.

      Reddish star

    • B.

      Betelgeuse

    • C.

      Polaris

    • D.

      Sirius

    Correct Answer
    C. Polaris
    Explanation
    Polaris is also known as the North Star because it is the closest visible star to the North Celestial Pole. This means that it appears to stay stationary in the night sky while other stars appear to move around it. It has been used for centuries as a navigational aid, particularly for determining direction and latitude. Polaris is not a reddish star like Betelgeuse, nor is it Sirius, another prominent star in the night sky.

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  • 10. 

    On Orion's right shoulder is a red supergiant star called _____.

    • A.

      Betelgeuse

    • B.

      Cassiopeia

    • C.

      Sirius

    • D.

      Rigel

    Correct Answer
    A. Betelgeuse
    Explanation
    Betelgeuse is a red supergiant star located on Orion's right shoulder. It is one of the brightest stars in the night sky and easily visible to the naked eye. Betelgeuse is known for its distinctive reddish color and its variability in brightness. It is an important star in the constellation Orion and holds significance in various cultures and mythologies.

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  • 11. 

    Constellations are group of stars that form patterns. Is it true or false?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Constellations are indeed groups of stars that form recognizable patterns. These patterns have been identified and named by various cultures throughout history. People often use constellations as a way to navigate and locate specific stars or celestial objects in the night sky. Therefore, the statement "Constellations are group of stars that form patterns" is true.

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  • 12. 

    The Big Dipper is a part of the constellation Ursa Minor.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The Big Dipper is not a part of the constellation Ursa Minor. The Big Dipper is actually a part of the constellation Ursa Major, which is a separate constellation from Ursa Minor. Ursa Minor is known for containing the North Star, Polaris, while Ursa Major is known for containing the Big Dipper. Therefore, the statement is false.

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  • 13. 

    The Polaris is located in Ursa Minor. Is it true or false?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement "The Polaris is located in Ursa Minor" is true. Polaris, also known as the North Star, is indeed located in the constellation Ursa Minor. It is the brightest star in Ursa Minor and is easily identifiable as it marks the end of the handle of the Little Dipper. Polaris is a significant celestial object for navigation purposes, as it remains almost stationary in the night sky, making it a reliable reference point for determining direction.

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  • 14. 

    Polaris is useful to sailors or travelers for finding directions. 

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Polaris, also known as the North Star, is useful to sailors or travelers for finding directions because it remains almost stationary in the night sky. It is located very close to the North Celestial Pole, making it a reliable reference point for navigation. By locating Polaris, sailors or travelers can determine their approximate north direction, which is crucial for orienting themselves and staying on course.

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  • 15. 

    There are 88 constellation identified by scientists. Is it true or false?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Scientists have indeed identified 88 constellations. Constellations are groups of stars that form patterns in the sky, and astronomers have categorized and named these patterns over time. The International Astronomical Union (IAU) officially recognizes these 88 constellations, which cover the entire celestial sphere. Each constellation has its own unique name and is associated with specific stars and mythological figures. Therefore, the statement that there are 88 constellations identified by scientists is true.

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  • 16. 

    Cassiopeia consists of five stars that seem to form the letter _____.

    Correct Answer
    W, M
    Explanation
    Cassiopeia consists of five stars that seem to form the letter "W" or "M". This is because when observed from Earth, the five stars in Cassiopeia appear to be arranged in a distinctive zigzag pattern that resembles the shape of either the letter "W" or "M". This pattern is easily recognizable and helps astronomers and stargazers identify the constellation in the night sky.

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  • 17. 

    IAU means International _____ Union.

    Correct Answer
    Astronomical
    Explanation
    IAU stands for International Astronomical Union.

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  • 18. 

    Most of the constellations were discovered by ancient _____. 

    Correct Answer
    Greeks, Greek
    Explanation
    Most of the constellations were discovered by ancient Greeks. The ancient Greeks were known for their advancements in astronomy and their deep interest in the stars. They developed a system of mapping and naming the constellations that is still used today. Their contributions to astronomy laid the foundation for our understanding of the night sky and continue to influence our study of the stars.

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  • 19. 

    Ursa Major resembles a _____.

    Correct Answer
    big bear
    Explanation
    Ursa Major is a constellation in the northern sky that is commonly known as the Big Dipper or the Plough. It is named after a big bear in various mythologies and resembles the shape of a bear with its seven bright stars forming the outline of a dipper or a ladle. Therefore, the correct answer is "big bear."

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  • 20. 

    The distance of the star is measured in terms of _____.

    Correct Answer
    light year, light years
    Explanation
    The distance of a star is measured in terms of light year or light years. A light year is the distance that light travels in one year, which is approximately 5.88 trillion miles or 9.46 trillion kilometers. Since stars are incredibly far away from us, using light years as a unit of measurement allows us to better understand the vast distances involved in space.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 14, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 15, 2020
    Quiz Created by
    Nancy
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