Bellworks

Question 1

The __________ contains most of the Earth's volume

Accepted Answer

mantle

Question 2

The formation of the Hawaiian Islands provides evidence for the theory of ____________

Accepted Answer

plate movement

Question 3

The metal in the Earth's inner core is _______.

Accepted Answer

nickel and iron

Question 4

The Earth's crust can be divided into two types:

Accepted Answer

continental and oceanic

Question 5

What is the oldest Hawaiian Island?

Accepted Answer

Kauai

Question 6

Which layer of the earth has the greatest density?

Accepted Answer

inner core

Question 7

Which layer of the Earth is responsible for continental drift?

Accepted Answer

mantle

Question 8

The Earth’s inner core is made of ________ metal.

Accepted Answer

solid

Question 9

When oceanic crust is pushed back into the mantle it is called ___________.

Accepted Answer

subduction

Question 10

Wegener proposed that the ______________ of the Earth somehow caused the continents to move.

Accepted Answer

spinning

Question 11

Areas where new crust is being formed at mid-ocean ridges are much _________ than zones further away.

Accepted Answer

younger

Question 12

_____________ sediments are composed primarily of the remains of living organisms.

Accepted Answer

Biogenous

Question 13

Less dense, basaltic magma, from beneath the Earth’s crust pushed upward through the denser ocean floor is called ______

Accepted Answer

Seafloor spreading

Question 14

Magma breaks through the Earth's crust at a point called a ________________.

Accepted Answer

hot spot

Question 15

What is the most important issue to keep buildings safe during earthquakes?

Accepted Answer

Structural stability

Question 16

The Earth's crust is made of solid rock that is broken into ____________.

Accepted Answer

plates

Question 17

In the Hawaiian Islands, what is the age difference between Kauai (4,000,000yo) and Maui (1,200,000yo)?

Accepted Answer

2,800,000

Question 18

__________ are portions of the oceanic crust that have been uplifted and exposed above sea level

Accepted Answer

ophiolites

Question 19

The continental crust is composed primarily of __________ rock.

Accepted Answer

felsic

Question 20

The deepest that scientists have been able to drill into Earth's crust is approximately _____ kilometers.

Accepted Answer

two

Question 21

The Earth’s mantle is made of hot, dense ________

Accepted Answer

rock

Questions 21