Earth Science Section 2.1 Homework: Earth: A Unique Planet: due Friday, 9/30/11

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Please read Section 2.1 in your textbook, pages 27-30. Answer the following questions.

Last Name, First Name *

Period (Put only the #. Do not put 3rd. *

The asthenosphere is *

part of the crust

part of the mantle

made of rock that flows very slowly

about 200 to 250 km thick

Selections 2, 3, and 4 are all correct

Humans mine all of their mineral materials from the *

crust

asthenosphere

mantle

outer core

inner core

We can study the interior of the Earth by *

dropping Neil deGrasse Tyson down a water well

Drilling through the Atlantic Ocean

Studying earthquake seismic waves as they travel through the body of the Earth

All of the above

None of the above

The mesosphere can be found *

between the crust and the mantle

between the asthenosphere and the outer core

between the inner core and the outer core

on the surface of the Earth

Which layer makes up almost 2/3 of Earth's mass? *

The crust

The mantle

The inner core

The outer core

Earth has gravity because it has *

volume

surface area

mass

Isaac Newton

Albert Einstein

What is the difference between Earth's compositional layers and its structural layers? *

You are farther away from the center of the Earth at the *

North Pole

South Pole

Equator

City of La Canada Flintridge

Why would you weigh less on Mt. Everest (29,000 feet elevation) than you would at sea level (0 feet elevation)? *

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