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General Physical Geography Test 49

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General Physical Geography Test 49
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Weekly Quiz Competition
  • Question 1
    1 / -0
    If an earthquake occurs then, what you should do?
    Solution
    Earthquake is a natural disaster in which Earth surface shakes. In case of an earthquake, if a person is indoor, he should stay inside and take cover under a table or other furniture, and if a person is outdoor he should stay away from the things that can fall and injure him, like trees and building.
  • Question 2
    1 / -0
    Identify the third colour of the rainbow, if violet is the first? 
  • Question 3
    1 / -0
    The place where an earthquake originates is called _______.
    Solution
    Focus is the place where an earthquake originates the focus is also called the hypocenter of an earthquake. The earthquake waves start at the focus and travel outward in all directions.
  • Question 4
    1 / -0
    What are the pretty white flakes that fall when the weather is very cold, called?
  • Question 5
    1 / -0
    It is a blanket-like layer that surrounds the Earth. It contains a mixture of gases including oxygen which most organisms need to breathe. It protects us from the harmful radiations of the Sun. What is this layer called?
    Solution
    The atmosphere is the layers of gases that surrounds the earth. It is like a blanket layer, contains a mixture I gases including oxygen which most organism need to breathe. It is the atmosphere only that protect us from the harmful radiations of the sun. The current composition of the Earth's atmosphere is the product of billions of years of biochemical modification of the paleo atmosphere by living organism.
  • Question 6
    1 / -0
    This planet is the largest of the inner planets. It revolves on its axis every 24 hours. What is the name of this planet?

    Solution
    Earth is the third planet from the Sun and is the only habitable planet in the solar system. It is the fifth-largest planet in terms of size and mass. It revolves on its axis every 24 hours. More than 90 percent of Earth's mass is composed of iron, oxygen, silicon, and magnesium.
  • Question 7
    1 / -0
    Australia lies between ______________.
    Solution
    • Australia is the sixth largest country after Russia, Canada, China, the USA, and Brazil. It is also known as the island continent.
    • It is located south of the equator and is bounded by the Indian Ocean to the west and Pacific Ocean in the east.
  • Question 8
    1 / -0
    Sometimes the rainy season brings no rain. The crops wilt and cannot be harvested. People go hungry. Animals die of thirst and hunger. What is this called?
  • Question 9
    1 / -0
    The solid core structure of a comet is known as the nucleus. The nucleus of a comet is composed of an amalgamation of rock, dust, water, ice and many frozen gases. Which of the following gases is the nucleus of a comet composed of?
    Solution
    • A comet's nucleus is like a dirty snowball made of ice, gas and dust. As the comet gets closer to the Sun, some of the ice starts to melt and boil off, along with particles of dust. These particles and gases make a cloud around the nucleus, called a coma. 
    • The coma is lit by the Sun. The sunlight also pushes this material into the beautiful brightly lit tail of the comet.
  • Question 10
    1 / -0
    Proxima Centauri, the closest star to Earth after the Sun is a type of __________.
    Solution
    • Red dwarf stars are the most common kind of stars in the Universe. These are main sequence stars but they have such low mass that they’re much cooler than stars like our Sun. The smallest red dwarfs are 0.075 times the mass of the Sun, and they can have a mass of up to half of the Sun. 
    • At 4.2 light years away Proxima Centauri is the nearest star to the sun. It is a very small red dwarf with a radius of around 97,000 km, which is around 14% the size of our sun.
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