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Main Idea and Greek Roots Practice Quiz

Quiz by Linda Brandt

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5 questions
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  • Q1

    Read the paragraph: "Igneous rocks are one type of rock. They are formed from liquid rock called magma. Magma exists far below Earth’s surface. Magma sometimes escapes to the surface through cracks, such as mouths of volcanoes. When magma reaches the surface, it’s called lava." What is the main idea of the paragraph?

    Sedimentary rock is made from many particles.

    Igneous rocks are not metamorphic or sedimentary.

    Igneous rock is created from magma.

    Sedimentary rock is made from many particles.

    30s
  • Q2

    Which detail would best support the main idea of the paragraph?

    Magma sometimes escapes to the surface through cracks, such as mouths of volcanoes.

    Igneous rocks are one type of rock.

    They are formed from liquid rock called magma.

    When magma reaches the surface, it’s called lava.

    30s
  • Q3

    How does the sentence from the previous question support the main idea of the article?

    It describes how sedimentary rock is different from igneous rock.

    It describes how igneous rock is formed.

    It describes how magma is formed.

    It describes how volcanoes work.

    30s
  • Q4

    Determine the meaning of the underlined word.  

    "This structure of rock is known as the Wave formation. It was created by sand." 

    The root word “struct” means built.  What is the meaning of structure?

    process

    the shape of

    water

    rock

    30s
  • Q5

    Determine the meaning of the underlined word.   

    "Patterns are visible in rocks as small as pebbles and in the walls of the vast Grand Canyon." 

    What is the meaning of the root in visible?

    able to be understood

    able to be touched

    able to be seen

    able to be heard

    30s

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