Astronomy Ks3 Test Quiz

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  • 1/10 Questions

    The sun is a star

    • True
    • False
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About This Quiz

If you are looking for KS3 Astronomy revision materials and resource then you have come to the right place. The test below is perfect to test out what you have understood from your classes and help you perform to the best of your ability come exam time. Try it out and all the best!

Astronomy Quizzes & Trivia

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  • 2. 

    Which planet is the sun closet to?

    • Pluto

    • Earth

    • Uranus

    • Jupiter

    • Saturn

    • Mercury

    Correct Answer
    A. Mercury
    Explanation
    Mercury is the correct answer because it is the planet closest to the sun. It orbits the sun at an average distance of about 36 million miles, which is much closer than any other planet in our solar system.

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  • 3. 

    How many planets are in the Solar system?

    • 8

    • 7

    • 1

    Correct Answer
    A. 8
    Explanation
    There are eight planets in the Solar system. This includes Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. These planets orbit around the Sun and are part of our Solar system.

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  • 4. 

    Is Pluto a planet?

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Pluto is not considered a planet because it does not meet the criteria set by the International Astronomical Union (IAU) for a planet. In 2006, the IAU redefined the definition of a planet, and according to this new definition, Pluto did not qualify as it has not cleared its orbit of other debris. Instead, it was reclassified as a "dwarf planet." Therefore, the correct answer is false.

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  • 5. 

     Jupiter is the largest planet in the solar system

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Jupiter is considered the largest planet in the solar system because it has the greatest mass and volume compared to all other planets. It is more than twice as massive as all the other planets combined and has a diameter of about 86,881 miles, making it the largest planet in terms of size. Its immense size is attributed to its strong gravitational pull, which allows it to capture and retain a large amount of gas and dust during its formation.

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  • 6. 

    What colour is Neptune?

    • Pinkish Redish

    • Blueish

    • White

    • Black

    • I don't know :S

    Correct Answer
    A. Blueish
    Explanation
    Neptune is known to have a blueish color. This is due to the presence of methane gas in its atmosphere, which absorbs red light and reflects blue light, giving it a blue appearance. The blue color of Neptune is a distinguishing feature of the planet and is caused by its unique atmospheric composition.

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  • 7. 

    Is Venus like a sister to Earth?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Venus can be considered as a sister to Earth because both planets are similar in size, composition, and have a similar internal structure. They are also both terrestrial planets, meaning they have a solid surface. Additionally, Venus and Earth are neighboring planets in the solar system and have comparable gravity. However, it is important to note that despite these similarities, Venus has a very different atmosphere and extreme conditions, such as a runaway greenhouse effect and extremely high temperatures, which make it inhabitable for humans.

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  • 8. 

    The sun has spots?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement "The sun has spots" is true. Sunspots are temporary dark spots on the surface of the sun, caused by intense magnetic activity. They are cooler and less bright than the surrounding areas. Sunspots can vary in size and shape, and their occurrence follows an 11-year cycle known as the solar cycle. Scientists study sunspots to understand the sun's magnetic field and its impact on space weather.

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  • 9. 

    How many moons does Uranus have?

    • 27

    • 32

    • 42

    Correct Answer
    A. 27
    Explanation
    Uranus has 27 moons.

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  • 10. 

    Tick the facts that are true about Mars:

    • Mars, Earth's outer neighbor, is the fourth planet from the Sun

    • Mars has its spin axis almost in the plane of its orbit about the Sun

    • Impressive surface features such as enormous volcanoes and valleys are frequently obscured by huge dust storms.

    Correct Answer(s)
    A. Mars, Earth's outer neighbor, is the fourth planet from the Sun
    A. Impressive surface features such as enormous volcanoes and valleys are frequently obscured by huge dust storms.
    Explanation
    Mars is indeed Earth's outer neighbor and the fourth planet from the Sun. It is also true that impressive surface features such as enormous volcanoes and valleys on Mars are frequently obscured by huge dust storms.

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  • Jun 11, 2024
    Quiz Edited by
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  • Mar 21, 2011
    Quiz Created by
    KeeyaSaund

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