Grade 7 Solar System Quiz

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Grade 7 Solar System Quiz - Quiz

Have you studied the solar system well during school? Take this grade 7 solar system quiz, and see how well you remember your grade 7. The solar system is a vast topic with several terms and knowledge about the universe. The scores in the quiz will reveal how good is your knowledge of the solar system. All the best for a perfect score on the quiz! You can also share the quiz with others and help them check their knowledge.


Questions and Answers
  • 1. 

    Pluto was no more regarded as planet in 2006 due to its

    • A.

      Rotation

    • B.

      Dwarf size

    • C.

      Unusual orbit

    • D.

      All of the above

    Correct Answer
    B. Dwarf size
    Explanation
    Pluto was no longer regarded as a planet in 2006 due to its size. This is because scientists discovered that Pluto shares its orbit with other celestial bodies in the Kuiper Belt, and its rotation is more similar to that of a dwarf planet rather than a traditional planet. This led to the reclassification of Pluto as a dwarf planet, as it did not meet the criteria to be considered a full-fledged planet.

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  • 2. 

    Non luminous objects do not emit

    • A.

      Heat

    • B.

      Weight

    • C.

      Light

    • D.

      Force

    Correct Answer
    C. Light
    Explanation
    Non-luminous objects do not emit light. Luminous objects, such as the sun or a light bulb, produce their own light through a process called luminescence. However, non-luminous objects do not have this ability and therefore do not emit light. They can only reflect or absorb light that falls on them from a luminous source.

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  • 3. 

    An imaginary line going passing through the center of earth from the north pole to the south pole, about which the earth rotates is called

    • A.

      Revolution

    • B.

      Axis

    • C.

      Rotation

    • D.

      Tilt

    Correct Answer
    B. Axis
    Explanation
    The correct answer is "axis." An axis is an imaginary line that goes through the center of the Earth from the North Pole to the South Pole. It is around this axis that the Earth rotates, causing day and night.

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  • 4. 

    The object that revolves around another object in the outer space is called a

    • A.

      Satellite

    • B.

      Moon

    • C.

      Galaxy

    • D.

      Star

    Correct Answer
    A. Satellite
    Explanation
    A satellite is the correct answer because it refers to an object that revolves around another object in outer space. Satellites can be natural, like moons, or artificial, like man-made spacecraft. They orbit planets, moons, stars, or other celestial bodies. Satellites are used for various purposes, such as communication, navigation, weather monitoring, and scientific research. They play a crucial role in modern technology and our understanding of the universe.

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  • 5. 

    Earth takes 1 day/24 hours to complete one

    • A.

      Year

    • B.

      Season

    • C.

      Rotation

    • D.

      Revolution

    Correct Answer
    C. Rotation
    Explanation
    The correct answer is rotation. Earth takes 1 day/24 hours to complete one rotation. Rotation refers to the spinning of Earth on its axis, which causes day and night.

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  • 6. 

    Different craters and ridges are seen on the surface of which body in the solar system?

    • A.

      Earth

    • B.

      Moon

    • C.

      Sun

    • D.

      Jupiter

    Correct Answer
    B. Moon
    Explanation
    The correct answer is Moon. Different craters and ridges are seen on the surface of the Moon. The Moon's surface is heavily pockmarked with craters, which are formed by the impact of asteroids and meteoroids over billions of years. These craters and ridges provide evidence of the Moon's violent past and its history of being bombarded by space debris.

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  • 7. 

    What is the approximate distance of sun from earth?

    • A.

      50 million km

    • B.

      100 million km

    • C.

      150 million km

    • D.

      200 million km

    Correct Answer
    C. 150 million km
    Explanation
    The approximate distance of the sun from the earth is 150 million km. This distance is an estimation based on scientific measurements and calculations. It is important to note that the distance between the sun and the earth is not constant and can vary due to the elliptical shape of the earth's orbit around the sun.

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  • 8. 

    What are stars in a group or congregation called?

    • A.

      Milky way

    • B.

      Galaxies

    • C.

      Space

    • D.

      Atmosphere

    Correct Answer
    B. Galaxies
    Explanation
    Stars in a group or congregation are called galaxies. Galaxies are vast systems of stars, gas, and dust held together by gravity. They come in different shapes and sizes and contain billions or even trillions of stars. The Milky Way, our own galaxy, is just one of the many galaxies in the universe.

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  • 9. 

    A huge ball of hot gases which is also referred as a star.

    • A.

      Sun

    • B.

      Satellite

    • C.

      Moon 

    • D.

      Meteorite

    Correct Answer
    A. Sun
    Explanation
    The correct answer is Sun. The question describes a huge ball of hot gases, which is a characteristic of the Sun. The Sun is often referred to as a star because it is a massive, luminous sphere of plasma held together by its own gravity and undergoing nuclear fusion in its core. It emits heat and light, making it a source of energy for our solar system.

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  • 10. 

    During which season, does the northern hemisphere tilt towards the sun?

    • A.

      Winter

    • B.

      Autumn

    • C.

      Spring

    • D.

      Summer

    Correct Answer
    D. Summer
    Explanation
    During the summer season, the northern hemisphere tilts towards the sun. This tilt causes the sun's rays to be more direct and concentrated in the northern hemisphere, leading to longer days and warmer temperatures. As a result, the northern hemisphere experiences summer during this time.

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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
  • Sep 14, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 21, 2022
    Quiz Created by
    Sophia Smith
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