RI 6.2 Plate Tectonics: The Forces Shaping Earth's Surface

What is the main idea of the passage “Plate Tectonics: The Forces Shaping Earth's Surface”?

• The history of Earth's geological studies.

• The prediction and prevention of natural disasters.

• The explanation of Earth's surface changes through plate tectonics.

• The biography of Dr. Emily Stone and Dr. James Park.

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Main idea

What is the author's purpose in writing the passage?

• To entertain readers with fictional stories about Earth.

• To persuade readers to believe in a new theory.

• To inform readers about the science of plate tectonics.

• To describe the personal lives of geologists.

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Author's purpose

How does the concept of plate tectonics explain earthquakes and volcanic eruptions?

• By describing the movement of Earth's magnetic fields.

• By detailing the chemical composition of rocks.

• By showing the effect of climate change on Earth's crust.

• By illustrating the movement of tectonic plates and the energy

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Interaction of ideas

What claim does Dr. James Park make about plate tectonics?

• It is a theory that will soon be disproven.

• It causes the Earth's core to heat up.

• It is responsible for the occurrence of earthquakes and volcanic eruptions.

• It has no significant impact on Earth's surface.

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Claims and arguments