Grade 6 Geography Unit 1

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Questions and Answers
  • 1. 

    The Sun, the moon and all those heavenly bodies shining in the night sky are called __________________________.

    Explanation
    The term "celestial bodies" refers to all the objects that are found in space, including the Sun, the moon, and other heavenly bodies. These objects are visible in the night sky and are often referred to as celestial bodies due to their connection with the celestial realm.

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  • 2. 

    ___________________are celestial bodies which have their own light and heat.

    Explanation
    Stars are celestial bodies that emit their own light and heat. They are massive balls of hot, glowing gases held together by gravity. The energy produced by nuclear reactions in their cores generates the intense heat and light that we see from Earth. Stars come in various sizes, colors, and temperatures, and they play a crucial role in the universe by producing and distributing elements necessary for the formation of planets and life.

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  • 3. 

    Various patterns formed by different groups of stars are called ____________________.

    Explanation
    Various groups of stars form patterns in the night sky, which are known as constellations. These patterns have been named and recognized by astronomers throughout history. Constellations are used as a way to navigate the sky and locate specific stars or celestial objects. They are also significant in mythology and have cultural significance in different societies.

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  • 4. 

    We don’t feel the heat and light of the stars because they are very _______________from us.

    Explanation
    The reason we don't feel the heat and light of the stars is because they are very far away from us. The distance between us and the stars is so vast that the heat and light they emit dissipates before reaching us, resulting in no perceptible effect on us.

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  • 5. 

    In ancient times, people used to determine directions during the night with the help of _______________.

    Explanation
    In ancient times, people used to determine directions during the night with the help of stars. The stars were used as a guide to navigate and find their way when there were no modern tools or technology available. By observing the position and movement of the stars, people were able to determine the cardinal directions and navigate accurately. This knowledge of the stars and their patterns was crucial for travelers, sailors, and explorers to navigate and reach their destinations safely.

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  • 6. 

    The ______________________ indicates the north direction. It is also called the Pole Star.

    Explanation
    The North Star, also known as the Pole Star, serves as a reliable indicator of the north direction. It is a prominent star that remains almost stationary in the night sky, while other stars appear to rotate around it due to the Earth's rotation. This makes it a valuable navigational tool, particularly for travelers and sailors, as it can be used to determine their direction. Its position close to the celestial north pole makes it an essential reference point for celestial navigation.

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  • 7. 

    North star is also known as ______________

    Explanation
    The North star is also known as the Pole star. This is because it is located very close to the celestial north pole, making it appear almost stationary in the night sky. Due to its position, it has been used for navigation purposes for centuries, as it can be used to determine the direction of true north. Its alternative name, the Pole star, reflects its close association with the celestial pole.

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  • 8. 

    Pole star always remains in the_____________ position in the sky.

    Explanation
    The pole star always remains in the same position in the sky. This is because it is located very close to the celestial north pole, which is the point in the sky directly above the Earth's North Pole. Due to the Earth's rotation, all the other stars appear to move across the sky throughout the night, but the pole star remains almost stationary. This makes it a useful navigational tool, as it can be used to determine the direction of true north.

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  • 9. 

    The Sun together with the eight planets, their moons, and all other celestial bodies that orbit it, including dwarf planets, asteroids, comets, and meteoroids is called the_____________________.

    Explanation
    The Sun, along with all the planets, moons, and other celestial bodies that orbit it, is collectively known as the solar system. This term encompasses everything within the gravitational influence of the Sun, including dwarf planets, asteroids, comets, and meteoroids. The solar system is a vast expanse of space that provides a home for numerous celestial objects, each with its own unique characteristics and orbits.

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  • 10. 

    _______________is often called as the head of the Solar family

    Explanation
    The Sun is often called the head of the Solar family because it is the central and largest celestial body in our solar system. It has a strong gravitational pull that keeps all the planets, moons, and other objects in orbit around it. The Sun also emits light and heat, providing energy that sustains life on Earth. Its immense size and energy make it a dominant force in our solar system, hence the title "head" of the Solar family.

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  • 11. 

    Sun is huge and made up of extremely ______________gases.

    Explanation
    The sun is huge and made up of extremely hot gases. The high temperatures in the sun's core cause nuclear fusion, where hydrogen atoms combine to form helium, releasing a massive amount of energy in the process. This energy is what makes the sun hot and gives it the ability to emit light and heat.

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  • 12. 

    The four planets closest to the Sun are known as the __________ Planets

    Explanation
    The correct answer is "Inner." The four planets closest to the Sun are referred to as the inner planets. These planets include Mercury, Venus, Earth, and Mars. They are called inner planets because they orbit the Sun within the asteroid belt and are relatively smaller in size compared to the outer planets.

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  • 13. 

    The four planets furthest from the Sun are known as the _______________  Planets

    Explanation
    The four planets furthest from the Sun are known as the "Outer" Planets. This is because these planets are located farther away from the Sun compared to the inner planets. The outer planets in our solar system include Jupiter, Saturn, Uranus, and Neptune. They are often referred to as gas giants or ice giants due to their composition and are characterized by their large size and gaseous atmospheres.

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  • 14. 

    Inner planets are also called __________________ Planets

    Explanation
    Inner planets are also called terrestrial planets because they are similar in composition to Earth. These planets are primarily composed of rock and metal, with a solid surface and a relatively thin atmosphere. The inner planets, including Mercury, Venus, Earth, and Mars, are located closer to the Sun compared to the outer gas giant planets. They are characterized by their rocky terrain, lack of rings, and smaller size compared to the outer planets. The term "terrestrial" refers to their Earth-like qualities, making it an appropriate name for these inner planets.

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  • 15. 

    Outer planets are also called as ______________Giants

    Explanation
    Outer planets are also called gas giants because they are primarily composed of gases, such as hydrogen and helium. These planets have thick atmospheres and lack a solid surface. They are much larger in size compared to the inner rocky planets like Earth and have a lower density. Examples of gas giants include Jupiter and Saturn, which are known for their massive size and swirling storms in their atmospheres.

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  • 16. 

    Inner planets are made up of ___________

    Explanation
    The inner planets are made up of rocks because they are closer to the sun and therefore have higher temperatures. These higher temperatures cause lighter elements and compounds to evaporate, leaving behind only the heavier elements like rocks and metals.

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  • 17. 

    Outer planets are made up of gases and ________________ .

    Explanation
    Outer planets are made up of gases and liquids because they are primarily composed of hydrogen and helium, which are both gases, but they also contain other substances such as ammonia and methane, which can exist in liquid form under the extreme conditions of high pressure and low temperature found in the outer regions of the solar system. These liquids contribute to the composition and characteristics of the outer planets, such as their dense atmospheres and distinctive colors.

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  • 18. 

    The sun is the ultimate source of _____________ and ____________ for the solar system.

    • A.

      Heat

    • B.

      Oxygen

    • C.

      Carbon dioxide

    • D.

      Light

    Correct Answer(s)
    A. Heat
    D. Light
    Explanation
    The sun is the ultimate source of heat and light for the solar system. Heat is generated by the sun's intense nuclear reactions, which produce high temperatures. Light is emitted by the sun as a result of these reactions as well. Both heat and light are essential for sustaining life on Earth and for the functioning of the solar system as a whole.

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  • 19. 

    The ________________ is called a unique planet

    Correct Answer(s)
    Earth
    Explanation
    Earth is called a unique planet because it is the only known planet to support life. It has a perfect combination of factors such as the right distance from the sun, presence of water, and a breathable atmosphere that allows for the existence of diverse forms of life. Earth also has a complex ecosystem with a wide variety of species, making it truly unique compared to other planets in our solar system and beyond.

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  • 20. 

    Conditions favourable to support _________________ are probably found only on the Earth.

    Correct Answer(s)
    life
    Explanation
    Conditions that are favorable to support life are likely to be unique to Earth. This implies that the specific combination of factors necessary for the existence and sustenance of life, such as the presence of water, suitable temperature range, and the right atmospheric composition, are not commonly found in other celestial bodies. Therefore, the correct answer is "life."

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  • 21. 

    The Earth is neither too __________ nor too ____________.

    • A.

      Hot

    • B.

      Soft

    • C.

      Hard

    • D.

      Cold

    Correct Answer(s)
    A. Hot
    D. Cold
    Explanation
    The Earth is neither too hot nor too cold. This suggests that the Earth's temperature is within a suitable range for supporting life. If the Earth were too hot, it would be uninhabitable due to extreme heat, while if it were too cold, it would be unable to sustain life due to freezing temperatures. The balance between hot and cold temperatures on Earth allows for the existence of various ecosystems and the survival of different species.

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  • 22. 

    Earth has ____________ and ___________, which are very essential for our survival.

    • A.

      Water

    • B.

      Food

    • C.

      Animals

    • D.

      Air

    Correct Answer(s)
    A. Water
    D. Air
    Explanation
    Water and air are essential for our survival because they provide us with the necessary resources to live. Water is crucial for hydration and maintaining bodily functions, while air provides us with oxygen for respiration. Without water, we would not be able to sustain ourselves, and without air, we would not be able to breathe. Both of these elements are vital for the existence of life on Earth.

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  • 23. 

    The air has life-supporting gases like ______________

    Correct Answer(s)
    oxygen
    Explanation
    Oxygen is a life-supporting gas that is essential for the survival of most living organisms. It is required for the process of respiration, where oxygen is taken in by organisms to produce energy. Without oxygen, living organisms would not be able to carry out vital functions and would eventually die. Therefore, the presence of oxygen in the air is crucial for supporting life on Earth.

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  • 24. 

    The terms ___________________ or spheroid are used to describe the shape of the Earth because the Earth is slightly ___________ at the _____________and bulging at ___________

    • A.

      Geoid

    • B.

      Flattened

    • C.

      Poles

    • D.

      Equator

    • E.

      Air

    • F.

      Life support

    Correct Answer(s)
    A. Geoid
    B. Flattened
    C. Poles
    D. Equator
    Explanation
    The terms "Geoid" or "spheroid" are used to describe the shape of the Earth because the Earth is slightly flattened at the poles and bulging at the Equator. The term "Geoid" refers to the shape of the Earth when considering its irregularities and variations in gravitational pull, while "spheroid" refers to the approximation of the Earth's shape as an oblate spheroid. These terms are used to accurately describe the Earth's shape, which is not a perfect sphere but rather slightly flattened at the poles due to the centrifugal force caused by its rotation.

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  • 25. 

    _____________satellite is a celestial body which occurs naturally.

    Correct Answer(s)
    Natural
    Explanation
    The correct answer is "Natural" because a satellite is a celestial body that occurs naturally. This means that it is not man-made or artificially created. Satellites can include objects such as moons, asteroids, and other natural celestial bodies that orbit around a larger celestial body, such as a planet or star.

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  • 26. 

    Human-made satellite is an ______________ body designed by scientists

    Correct Answer(s)
    artificial
    Explanation
    An artificial satellite is a human-made object that is intentionally placed into orbit around a celestial body, such as the Earth. It is designed and created by scientists to perform various tasks, such as communication, weather monitoring, scientific research, and navigation. These satellites are built using advanced technology and are launched into space using rockets. They play a crucial role in modern-day communication systems and provide valuable data for scientific exploration.

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  • 27. 

    Man-made satellites gather __________________  about the universe or for communication

    Correct Answer(s)
    information
    Explanation
    Man-made satellites gather information about the universe or for communication purposes. Satellites are equipped with various instruments and sensors that collect data and transmit it back to Earth. This information can include images, weather patterns, atmospheric conditions, and even data about distant celestial objects. Satellites play a crucial role in expanding our knowledge of the universe and facilitating global communication networks.

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  • 28. 

    ______________is a natural satellite of the Earth

    Correct Answer(s)
    Moon
    Explanation
    The Moon is a natural satellite of the Earth. It orbits around the Earth and is the only celestial body that humans have visited. It plays a crucial role in stabilizing the Earth's rotation and creating tides. The Moon's surface is covered in craters, mountains, and plains, and it has no atmosphere or liquid water. Its gravitational pull influences various phenomena on Earth, such as the ocean tides and the length of the day. The Moon also has phases due to the changing positions of the Earth, Moon, and Sun.

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  • 29. 

    Some of the Indian human made satellites in space are ___________, _____________, ______________.

    • A.

      IRS

    • B.

      Mangalyaan

    • C.

      INSAT

    • D.

      NARENDRA MODI

    • E.

      EDUSAT

    Correct Answer(s)
    A. IRS
    C. INSAT
    E. EDUSAT
    Explanation
    The correct answer is IRS, INSAT, and EDUSAT. These are examples of Indian human-made satellites in space. IRS stands for Indian Remote Sensing satellites, which are used for Earth observation and gathering data for various applications. INSAT refers to Indian National Satellite System, which provides communication, broadcasting, and meteorological services. EDUSAT is an educational satellite that is used for distance learning and providing education to remote areas. These satellites showcase India's advancements in space technology and their contribution to various sectors.

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  • 30. 

    The moon moves around the Earth in about _______days.

    Correct Answer(s)
    27
    Explanation
    The moon moves around the Earth in approximately 27 days. This is known as the lunar month or the sidereal month. During this time, the moon completes one orbit around the Earth, resulting in various phases such as the new moon, first quarter, full moon, and last quarter. The moon's orbit is not a perfect circle, so the time it takes to complete one orbit can vary slightly. However, on average, it takes about 27 days for the moon to complete its orbit around the Earth.

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  • 31. 

    Only one side of the_______________  is visible to us on the Earth.

    Correct Answer(s)
    moon
    Explanation
    The moon is the celestial body that we can see from Earth. Due to its synchronous rotation, only one side of the moon is visible to us. This means that the same side of the moon always faces the Earth, while the other side remains hidden. This phenomenon is known as "tidal locking" and is caused by the gravitational forces between the Earth and the moon.

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  • 32. 

    Apart from the stars, planets and satellites, there are numerous tiny bodies which also move around the sun. These bodies are called _____________.

    Correct Answer(s)
    asteroids
    Explanation
    Apart from the stars, planets, and satellites, there are numerous tiny bodies that also move around the sun. These bodies are called asteroids.

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  • 33. 

    Asteroids are found between the orbits of _____________ and Jupiter.

    Correct Answer(s)
    Mars
    Explanation
    Asteroids are found between the orbits of Mars and Jupiter.

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  • 34. 

    The small pieces of rocks which move around the sun are called _______________.

    Correct Answer(s)
    meteoroids
    Explanation
    Meteoroids are small pieces of rocks that move around the sun. They are smaller than asteroids and are often remnants of comets or asteroids that have broken apart. When a meteoroid enters the Earth's atmosphere and burns up, it is called a meteor. If a meteoroid survives the journey through the atmosphere and lands on Earth's surface, it is called a meteorite.

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  • 35. 

    Sometimes, a meteor without being completely burnt, falls on the earth and creates a________________

    Correct Answer(s)
    hollow
    Explanation
    When a meteor falls on the earth without being completely burnt, it can create a hollow. This means that the meteor partially disintegrates upon entering the earth's atmosphere, leaving behind a cavity or empty space. The impact of the meteor can cause the ground to collapse, forming a hollow or depression in the earth's surface.

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  • 36. 

    A _________________  is a huge system of billions of stars, and clouds of dust and gases

    Correct Answer(s)
    galaxy
    Explanation
    A galaxy is a massive collection of billions of stars, as well as clouds of dust and gases. It is a vast system that exists in space, bound together by gravity. Galaxies come in various shapes and sizes, ranging from spiral, elliptical, to irregular. They are fundamental building blocks of the universe and play a crucial role in the formation and evolution of celestial objects.

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  • 37. 

    A galaxy is a huge system of billions of stars, and _______________ of dust and ____________.

    • A.

      Clouds

    • B.

      Stars

    • C.

      Orbits

    • D.

      Gases

    Correct Answer(s)
    A. Clouds
    D. Gases
    Explanation
    A galaxy is a huge system of billions of stars, and it also contains clouds of dust and gases. These clouds and gases are essential components of galaxies, as they play a crucial role in the formation and evolution of stars. The dust particles within the clouds provide the necessary material for star formation, while the gases, such as hydrogen and helium, serve as the fuel for nuclear fusion reactions that power the stars. Therefore, the presence of clouds and gases is significant in understanding the structure and dynamics of galaxies.

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  • 38. 

    This band is the _________Way galaxy.

    Correct Answer(s)
    Milky
    Explanation
    The correct answer is "Milky" because the phrase "Milky Way galaxy" is a commonly used term to refer to our own galaxy, which is a barred spiral galaxy that contains our solar system. The term "Milky Way" comes from the appearance of a band of light in the night sky, which is caused by the concentration of stars and other celestial objects in the galactic plane. Therefore, the correct answer to fill in the blank is "Milky" to complete the phrase "Milky Way galaxy."

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  • 39. 

    Our galaxy was named _____________

    Correct Answer(s)
    Akash Ganga
    Explanation
    The correct answer is Akash Ganga because "Akash Ganga" is the Hindi name for the Milky Way galaxy. In Hindi, "Akash" means sky and "Ganga" refers to the Ganges river, which is considered sacred in Hinduism. The name "Akash Ganga" symbolizes the celestial beauty and vastness of the Milky Way, similar to the sacredness and significance of the Ganges river in Indian culture.

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  • 40. 

    Meteoroids causes a flash of light.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Meteoroids are small rocky or metallic objects that travel through space. When a meteoroid enters Earth's atmosphere, it heats up and begins to glow, creating a flash of light known as a meteor or shooting star. Therefore, it is true that meteoroids cause a flash of light.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
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  • May 04, 2020
    Quiz Created by
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