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8th Grade General Knowledge (US)

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  • Most of Earth's freshwater (you can drink it) is located where?
    The polar ice caps
  • How do you calculate the volume of an irregularly shaped object?
    Place it in a graduated cylinder (a glass tube) and measure how far up the water rises.
  • What natural barrier (mountain range) seperates India from China?
    The Himalayan Mountains
  • 2(4+x)=4x x=?. Choices: 4, -2, 12, 8
    4
  • What language do most people in Brazil speak?
    Portugese
  • Francisco Pizarro led the first expedition into South America and the conquest of which civilization?
    The Incan Empire (The Inca)
  • A very large redwood tree is measured to be about 100 units tall. Which unit is the most appropriate to use?
    Meters.
  • Who was the first explorer to attempt to circumnavigate the globe?
    Ferdinand Magellan
  • If you want to go to Gurnee Mills, and it's 1 hour from your house, but you have to wait an extra hour for your friend to come home, how many hours did it take you to get to Gurnee Mills?
    1 hour.
  • How many feet are equal to a meter?
    3
  • -10 + 9 = ?
    -1
  • Jenny wants to rent a truck for one day. She contacted two companies. Laguna’s Truck Rentals charges $20 plus $2 per mile. Salvatori’s Truck Rentals charges $3 per mile. At how many miles will the total cost for both companies be the same?
    20 miles.
  • This summer it would get dark at 9pm. Now it gets dark at about 4pm. Why do the days get shorter or longer throughout the year?
    The Earth has a "tilt" of 23.5 degrees. It wobbles, spins, and revolves all at once.
  • The industrial revolution began in which country?
    England (Great Britain, but specifically England)
  • A mountain range is a large number of mountains in one place. How are these mountain ranges created?
    When two tectonic plates collide with each other but one does not go under the other.
  • Where is the "Ring of Fire"? Why is it called that?
    It is a ring of volcanoes around the pacific ocean that goes through North America, South America, Australia, and Asia.
  • Women in Africa tend to have lower literacy rates than men. True or false?
    True.
  • Who was the French explorer that mapped the eastern coast of Canada? He is credited with being the first European to explore "inland" in North America (he walked past the beach and away from the ocean for a while)
    Jacques Cartier
  • The Treaty of Versailles ended which war?
    World War One
  • Sandy heated 20 grams of liquid hydrogen peroxide until it was completely broken down into liquid water and oxygen gas. Which of these best describes the total mass of water and oxygen that was produced?
    20 grams. No matter was added or removed, so the mass is the same.
  • What is the capital of North Korea?
    Pyongyang
  • Which dynasty ceded Hong Kong to Great Britain?
    The Qing Dynasty.
  • In what year did the First World War begin?
    1914