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Earth's Interior

QuestionAnswer
How do scientists study Earth's interior? Scientists study how seismic waves travel through different elements and states of matter.
Which layer has the greatest mass? Earth's mantle
Which layer is composed mainly of iron and nickel? Earth's core
Which physical layer is the strong, lower part of the mantle? Earth's mesosphere
Which physical layer includes the rigid crust? Earth's lithosphere
Which physical layer flows slowly, carrying the crust? Earth's asthenosphere
Which physical layer is a dense, solid ball of metal? Earth's inner core
Which physical layer is dense, liquid, and metal? Earth's outer core
What are broken, solid pieces of lithosphere called? Tectonic plates
Which of the two types of crust is more dense? Oceanic crust
Which of the two types of crust is less dense? Continental crust
What causes tectonic plates to move sideways? Convection currents
What causes tectonic plates to be pulled under? (trench) Slab pull
According to WHAT have each of Earth's layers settled? Density
What happens to the temperature as you travel from the crust to the core? Temperature increases
What does the word part 'litho' mean? ROCK
What does the word part 'astheno' mean? WEAK
What does the word part 'meso' mean? MIDDLE
What does the word part 'sphere' mean? BALL
What does the word part 'core' mean? HEART
What is the name given to the (invisible) line that separates of the crust and mantle? Mohorivicic's discontinuity
Created by: wba10885
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