Geology Quiz Bowl Part 1

Question 1

Oceanic crust is generally thicker and less dense than continental crust.

Accepted Answer

False

Question 2

Your friend informs you that volcanoes always form on the downgoing plate in a subduction zone. You tell your friend...

Accepted Answer

Um, no, you're full of it.

Question 3

Which of the following were proposed by Wegener as physical evidence of continental drift?

Accepted Answer

fossil and geological evidence, glacial evidence

Question 4

Heliocentrism, the idea that the sun is at the center of the solar system, we proposed by

Accepted Answer

Copernicus

Question 5

Plastic deformation is permanent, in that the material does NOT return to its original state once stress is removed.

Accepted Answer

True

Question 6

Which layer of Earth is responsible for Earth's magnetic field?

Accepted Answer

the inner core

Question 7

What is the difference between mineral crystal habit and mineral crystal cleavage?

Accepted Answer

Habit describes the growth, and cleavage describes how it breaks

Question 8

At divergent boundaries, the crust is older, and gets younger as you move away from the boundary.

Accepted Answer

False

Question 9

Polymorphs have the same composition, but the arrangement of the atomic structure differs.

Accepted Answer

True

Question 10

Today, our atmosphere is nearly 80% oxygen.

Accepted Answer

False

Question 11

Talc has a hardness of 7 on the Moh's scale.

Accepted Answer

False

Question 12

At a subduction zone, all earthquake activity ceases at about this depth in the Earth.

Accepted Answer

670 km

Question 13

At a subduction zone, the subducting (or downgoing) plate is always oceanic crust.

Accepted Answer

True

Question 14

Select ALL of the following that make up the definition of a mineral

Accepted Answer

homogeneous, definable chemical composition

Question 15

The most common class of minerals on Earth is the

Accepted Answer

Silcates

Questions 15