Esci 1005 Geology And Cinema Quiz 1

Front 1

True/False:
A plate can be completely destroyed.

Back 1

True

Front 2

About how far above the surface does Earth's atmosphere extend?

Back 2

100 km

Front 3

About how many major tectonic plates are there?

Back 3

10

Front 4

Bonds formed by valence electrons shared between a pair of atoms are called?

Back 4

Covalent

Front 5

True/False
Continental crust is easily subducted.

Back 5

False

Front 6

True/False
Continental crust is typically thinner than oceanic crust.

Back 6

False

Front 7

True/False:
Continents move with plates.

Back 7

True

Front 8

What are diamonds and graphites with relation to each other?

Back 8

Polymorphs

Front 9

True/False:
Diamond forms at shallow depths in the Earth's crust.

Back 9

False

Front 10

True/False:
Earth has never suffered a large asteroid impact.

Back 10

False

Front 11

True/False:
Earth started cold and has heated up.

Back 11

False

Front 12

Earth's tectonic plates are about how thick?

Back 12

100 km

Front 13

True/False:
Glass is a mineral.

Back 13

False

Front 14

In what century did Wegener publish his theory of continental drift?

Back 14

20th Century

Front 15

One form of olivine has the chemical formula Mg2SiO4. In this mineral, Mg (Magnesium) is acting as a(n)?

Back 15

Cation

Front 16

True/False:
One line of evidence Wegener used to demonstrate continental drift was satellite geodetic measurements of plate motion.

Back 16

False

Front 17

True/False:
Ordinary ice (think of an ice cube) is a mineral.

Back 17

True

Front 18

True/False:
Polymorphs are variants of one mineral.

Back 18

False

Front 19

True/False:
Protein crystals are minerals.

Back 19

False

Front 20

True/False:
Seismicity is very common in continental interiors.

Back 20

False

Front 21

True/False:
Table salt is not a mineral because it is organic.

Back 21

False

Front 22

True/False:
The amount of land surface hasn't changed much at all through Earth's history.

Back 22

False

Front 23

True/False:
The bonds that holds sodium (Na) and chlorine (Cl) together in the mineral halite are covalent.

Back 23

False

Front 24

What is the chemical composition of quartz?

Back 24

SiO2

Front 25

True/False:
The planets in the solar system all orbit the Sun in the same direction.

Back 25

False

Front 26

True/False:
Two or more minerals can share the exact same chemical composition.

Back 26

True

Front 27

What does ocean bathymetry do as you move away from a mid-ocean ridge?

Back 27

Grow larger

Front 28

What layer has remained unchanged since the birth of the earth?

Back 28

None

Front 29

What two elements account for almost all of Earth's atmosphere?

Back 29

N and O

Front 30

What two elements account for almost all of the dissolved content (i.e., salinity) in ocean water?

Back 30

Na and Cl

Front 31

Which bond type is most common in minerals?

Back 31

Ionic

Front 32

Which bond type tends to produce minerals that dissolve in water most readily?

Back 32

Ionic

Front 33

Which compositional layer has the greatest volume?

Back 33

Mantle

Front 34

Which element is a common component of Earth's crust?

Back 34

Fe

Front 35

Which mineral group is the most abundant in the Earth's crust and mantle?

Back 35

Silicates

Front 36

Which combinations of properties is unique to a mineral?

Back 36

Composition and crystalline lattic

Front 37

Which of the following is a significant plate driving force?

Back 37

Slab Pull

Front 38

What is a type of plate boundary?

Back 38

Transform

Front 39

What is the (rounded) age of the earth?

Back 39

4500 Million Years

Front 40

What considered strong proof of oceanic plate subduction?

Back 40

Deep earthquakes

Front 41

What type of bonding is not a true chemical bond (i.e., doesn't involve exchange or sharing of electrons)?

Back 41

Van der Waals

Front 42

What are the "big four" elements comprising the bulk Earth?

Back 42

Mg, O, Si, Fe

Front 43

What mechanical layer of the earth is the weakest?

Back 43

Asthenosphere

Front 44

What plate boundary is least often associated with volcanism?

Back 44

Transform Boundary

Front 45

What is the (rounded value of the) average depth of the oceans?

Back 45

4,000 m

Front 46

What deepest bathymetry on Earth? (rounded)

Back 46

10 km

Front 47

True/False:
Some plates have no oceanic lithosphere in them.

Back 47

False

Front 48

What is the complex ion that forms the basic building block of all silicate minerals?

Back 48

SiO4