Stars And Planets Unit Test

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Stars And Planets Unit Test - Quiz

The solar system is made up of the sun, moon, stars and the planets. In this quiz, our knowledge and information about the stars and planets is being tested. All the best as you learn more about the solar system.


Questions and Answers
  • 1. 

    Check all the right answers: In the day time sky we can see

    • A.

      The sun

    • B.

      The stars

    • C.

      Clouds

    • D.

      A house

    Correct Answer(s)
    A. The sun
    C. Clouds
    Explanation
    During the daytime, we can see the sun in the sky as it is the primary source of light. Additionally, we can also see clouds during the day as they are formed by the condensation of water vapor in the atmosphere. However, we cannot see stars during the day as their light is overpowered by the brightness of the sun. The presence of a house in the daytime sky is not plausible, as houses are terrestrial structures and not part of the sky.

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  • 2. 

    Check all the right answers: In the night time sky we can see

    • A.

      The moon

    • B.

      The stars

    • C.

      The sun

    • D.

      Clouds

    Correct Answer(s)
    A. The moon
    B. The stars
    D. Clouds
    Explanation
    In the night time sky, we can see the moon, stars, and clouds. The moon is a celestial body that reflects the sunlight and is visible during the night. Stars are distant suns that emit their own light and are visible as points of light in the night sky. Clouds are formed by water vapor and can be seen during the night as they reflect the moonlight or block the view of stars. The sun, however, is not visible in the night time sky as it is on the opposite side of the Earth.

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  • 3. 

    The sun is very hot and bright

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement "The sun is very hot and bright" is true because the sun is a massive ball of gas that emits intense heat and light. It is the primary source of heat and light for the Earth, and its surface temperature reaches around 5,500 degrees Celsius. Additionally, the sun's brightness is so intense that it illuminates the entire solar system and allows us to see during the day.

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  • 4. 

    The sun makes heat

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The sun is a massive ball of gas that emits energy in the form of heat and light through a process called nuclear fusion. This energy reaches the Earth in the form of sunlight, which warms up the planet and creates heat. Therefore, it is true to say that the sun makes heat.

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  • 5. 

    The sun makes light

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement "The sun makes light" is true because the sun is a massive ball of gas that undergoes nuclear fusion, which releases a tremendous amount of energy in the form of light and heat. This light is what allows us to see during the day and provides energy for various processes on Earth, such as photosynthesis in plants.

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  • 6. 

    The sun is not as big as the Earth

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement "The sun is not as big as the Earth" is false. The sun is much larger than the Earth. The sun has a diameter of about 1.4 million kilometers, while the Earth has a diameter of about 12,742 kilometers. Therefore, the sun is significantly bigger than the Earth.

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  • 7. 

    All life on earth needs the sun

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is stating that all life on earth needs the sun. This means that without the sun, life on earth would not be possible. The sun provides light and heat, which are essential for the growth and survival of plants and animals. Plants use sunlight for photosynthesis, a process that allows them to produce food. Animals, including humans, rely on plants either directly or indirectly for their food and energy. Additionally, sunlight helps regulate the Earth's climate and provides vitamin D to humans. Therefore, the statement is true.

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  • 8. 

    Why is the sun important to people, animals and plants? What does it give us that we need to have?

  • 9. 

    The earth stays still and the sun moves around the earth

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    This statement is incorrect. According to scientific evidence, the earth revolves around the sun, which means that the sun stays still and the earth moves in its orbit. This heliocentric model was proposed by Nicolaus Copernicus in the 16th century and has been widely accepted since then.

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  • 10. 

    The sun stays still and the earth moves around it.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    This statement is based on the geocentric model of the solar system, which was widely accepted for centuries. According to this model, the Earth was believed to be at the center of the universe, with the sun and other celestial bodies orbiting around it. However, this model was later disproven by the heliocentric model, which states that the sun is at the center of the solar system and the Earth, along with other planets, revolves around it.

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  • 11. 

    Day and night happens because the earth

    • A.

      Has a giant light switch

    • B.

      Rotates (or spins like a top)

    • C.

      Runs out of batteries

    • D.

      Falls asleep

    Correct Answer
    B. Rotates (or spins like a top)
    Explanation
    The correct answer is "rotates (or spins like a top)". Day and night occur because the Earth rotates on its axis. As it rotates, different parts of the Earth are exposed to the Sun's light, causing day and night to happen. This rotation takes approximately 24 hours, resulting in a cycle of day and night.

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  • 12. 

    The moon is the largest and brightest object in the night sky

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because the moon is indeed the largest and brightest object in the night sky. It is the Earth's only natural satellite and reflects sunlight to illuminate the night sky. Its size and proximity to Earth make it appear larger and brighter than any other celestial object visible from our planet.

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  • 13. 

    The moon is made of rock and covered in powdery soil

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The moon is made of rock and covered in powdery soil, which is a well-known fact. The surface of the moon is composed mainly of igneous rocks such as basalt and anorthosite. These rocks were formed through volcanic activity billions of years ago. Additionally, the moon's surface is covered in a layer of fine dust, also known as lunar regolith, which is the result of meteorite impacts and erosion over time. This combination of rock and powdery soil gives the moon its characteristic appearance.

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  • 14. 

    Why is the moon covered in powdery soil?

  • 15. 

    The moon is made of cheese

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement "The moon is made of cheese" is a common phrase used to indicate that something is not true. It is a metaphorical statement and not a scientific fact. The moon is not made of cheese but is primarily composed of rock and dust. Therefore, the correct answer is false.

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  • 16. 

    The moon makes its own light like the sun

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The moon does not make its own light like the sun. The moon reflects the light from the sun, which is why we see it shining at night. This reflection is what causes the moon to appear bright in the night sky.

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  • 17. 

    The moon reflects the suns light

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The moon reflects the sun's light because it does not produce its own light. Instead, it acts as a mirror, reflecting the sunlight that hits its surface back towards Earth. This is why we see the moon shining brightly in the night sky.

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  • 18. 

    Craters are holes on the surface of the moon that are made when

    • A.

      Aliens scoop out parts of the rock

    • B.

      Rocks from space hit the surface

    • C.

      The moon cools down at night

    Correct Answer
    B. Rocks from space hit the surface
    Explanation
    Craters on the surface of the moon are formed when rocks from space collide with its surface. These rocks, often called meteoroids, travel through space and when they enter the moon's atmosphere, they impact the surface, creating holes or craters. The force of the impact causes the surface material to be ejected, leaving a depression or hole behind. This process has been observed and studied by scientists, providing evidence that rocks from space hitting the moon's surface is the cause of craters.

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  • 19. 

    The moon does not always look like a circle. Sometimes it looks like a banana or like half a pie. This happens because

    • A.

      Parts of the moon are falling off

    • B.

      The angle of the reflected light from the sun changes

    Correct Answer
    B. The angle of the reflected light from the sun changes
    Explanation
    The moon does not always look like a circle because the angle of the reflected light from the sun changes. As the moon orbits around the Earth, the angle at which the sun's light hits the moon's surface changes, causing different portions of the moon to be illuminated. This results in different shapes of the moon, such as crescent, half, or gibbous, depending on the amount of sunlight reaching its surface from our perspective on Earth.

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  • 20. 

    Check all the right answers: Click on the planets

    • A.

      The moon

    • B.

      The sun

    • C.

      Earth

    • D.

      Neptune

    • E.

      Crater

    • F.

      Mars

    • G.

      Jupiter

    • H.

      Pluto

    • I.

      Saturn

    • J.

      Venus

    • K.

      Mercury

    • L.

      Uranus

    Correct Answer(s)
    C. Earth
    D. Neptune
    F. Mars
    G. Jupiter
    I. Saturn
    J. Venus
    K. Mercury
    L. Uranus
  • 21. 

    The centre (middle) of our solar system is the

    Correct Answer(s)
    sun
    Explanation
    The sun is the center of our solar system. It is a star that emits light and heat, and it is the largest object in our solar system. The sun's gravitational pull keeps all the planets, including Earth, in orbit around it. It provides the energy necessary for life on Earth and is responsible for the Earth's climate and weather patterns. Without the sun, there would be no solar system as we know it.

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  • 22. 

    Constellations are groups of _____________ that make pictures in the sky

    Correct Answer(s)
    stars
    Explanation
    Constellations are groups of stars that appear to form patterns or pictures in the sky. These patterns were named after mythological figures, animals, or objects, and have been used by astronomers for centuries to navigate and locate celestial objects. The stars in a constellation may not be physically close to each other, but they appear to be in the same area of the sky when viewed from Earth. The constellations serve as a way for humans to identify and remember specific areas of the night sky, making it easier to locate and study celestial objects.

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