Structural Geology B (spring 2016)

Question 1

The formation of the Hawaiian Islands is an example of?

Answer 1

volcanoes forming over a hotspot

Question 2

What type of power plant produces the most air pollution

Answer 2

coal

Question 3

What type of power plant puts mercury into the air, lakes, and your food

Answer 3

coal

Question 4

What type of power plant creates tons of radioactive waste?

Answer 4

nuclear

Question 5

What type of power plant is how we make most of our electricity in the US?

Answer 5

coal

Question 6

What type of power plant causes acid rain which pollutes our lakes and oceans?

Answer 6

coal

Question 7

What type of power plant melts down and blows up if the power goes out

Answer 7

nuclear

Question 8

What type of power plant needs no fuel to create electricity???

Answer 8

geothermal

Question 9

What type of electricity is mostly used in Iceland?

Answer 9

geothermal

Question 10

What type of electricity is the least common in the US?

Answer 10

geothermal

Question 11

What type of power plant creates the least pollution and the least waste?

Answer 11

geothermal

Question 12

What type of power plant was the cause of the Fukashima disaster in the Pacific?

Answer 12

nuclear

Question 13

What type of fault would you expect to find in the rock of a divergent boundary?

Answer 13

Normal fault

Question 14

What type of fault would you expect to find in the rock of a convergent boundary

Answer 14

reverse fault

Question 15

What type of fault would you expect to find in the rock of a transform boundary

Answer 15

strike-slip fault

Question 16

How can geologists obtain indirect evidence about Earth’s interior?

Answer 16

recording and studying seismic waves

Question 17

If a volcano’s magma is high in silica, the volcano will probably

a. erupt explosively
b. remain dormant
c. erupt quietly
d. produce dark colored lava

Answer 17

a. erupt explosively

Question 18

What do most geologists think that the movement of Earth’s plates is caused by?

Answer 18

convection currents in the mantle

Question 19

A place where two plates slip past each other, moving in opposite directions, is known as

Answer 19

transform boundary

Question 20

What drives the circulation of magma inside the Earth (called mantle convection)

Answer 20

Heat coming out of the core of the earth

Question 21

Pahoehoe is

Answer 21

fast-moving, hot lava with a smooth surface

Question 22

How does heat transfer within a fluid take place?

Answer 22

convection currents

Question 23

A collision between two pieces of continental crust at the converging boundary produces a

Answer 23

mountain range

Question 24

The huge hole left by the collapse of a volcanic mountain is called a

Answer 24

caldera

Question 25

Continents are made of _____ which makes them _____dense

Answer 25

granite, less

Question 26

What is Earths mantle made of

Answer 26

a layer of hot rock

Question 27

What type of lava comes out of a volcano on a divergent plate boundary

Answer 27

basaltic

Question 28

What type of lava comes out of a volcano on a convergent plate boundary

Answer 28

granitic

Question 29

What type of lava comes out of a volcano on a transform plate boundary

Answer 29

There are no volcanoes on this boundary

Question 30

Why is the Earth's magnetic field present

Answer 30

flowing liquid iron in the core makes electricity

Question 31

Why is old oceanic crust more dense than new oceanic crust

Answer 31

It is cool. (Materials contract when they are cool)

Question 32

What type of evidence was NOT used by Alfred Wegener to support his continental drift hypothesis a. evidence from climate b. evidence from fossils c. evidence from human remains d. evidence from the shape of continents

Answer 32

c. evidence from human remains

Question 33

The ocean floor is made of_____ which makes it _____ dense than the continents

Answer 33

basalt more

Question 34

What technology did scientists use in the Mid-1900's to map the depth of the ocean

Answer 34

sonar

Question 35

We learned in class that the Earth's magnetic field reverses the North and south pole on an average of ________ years

Answer 35

500,000

Question 36

Earth's magnetic field results from movements in the ...

Answer 36

outer core

Question 37

What type of volcanoes are formed at transform boundaries?

Answer 37

There are no volcanoes at transform boundaries

Question 38

What is the name of the supercontinent that existed millions of years ago?

Answer 38

Pangea

Question 39

Know the 7 steps of the Scientific Method

Answer 39

1. State the Problem 2. Gather information 3. state the Hypothesis 4. Design the experiment 5. Conduct the experiment 6. Analyze the results 7. State your conclusions

Question 40

What was Wegener's hypothesis of continental drift?

Answer 40

The continents were once joined together in a single landmass.

Question 41

Life on Earth need a magnetic field to protect it from...

Answer 41

charged particles flying in from the sun that would cause cancer

Question 42

A rising column of magma coming up from deep within the Earth is called...

Answer 42

a plume

Question 43

In sea-floor spreading, molten material rises from the mantle and erupts where?

Answer 43

along mid-ocean ridges

Question 44

What is the formation and breakup of supercontinents called?

Answer 44

A Wilson cycle

Question 45

What is the transfer of energy through empty space called??

Answer 45

radiation

Question 46

What happens to a convection current in the fluid when the heat source is removed?

Answer 46

The current will eventually stop

Question 47

Which of the following helps to determine how easily magma flows a. the size of the crater b. the diameter of the pipe c. the number of vents on the volcano d. the amount of silica in the magma

Answer 47

d. the amount of the silica in the magma

Question 48

What is the order of the the earth's layers (starting from the surface)

Answer 48

crust - mantle -inner core - outer core