Geography and Earth Sciences

Even before the proposal of Continental Drift, paleontologists recognized that s

Even before the proposal of Continental Drift, paleontologists recognized that s

Even before the proposal of Continental Drift, paleontologists recognized that some sort of land connection was needed to account for the identical fossil organisms found on multiple continents. Which of the following was not one of their hypotheses?

barry   1008   2 Replies

barry

Which scientist developed the idea of Continental Drift?

Which scientist developed the idea of Continental Drift?

Which scientist developed the idea of Continental Drift?
A) Isaac Newton
B) Charles Darwin
C) Albert Einstein
D) Alfred Wegener

barry   603   2 Replies

barry

What is the name of the supercontinent proposed by Alfred Wegener?

What is the name of the supercontinent proposed by Alfred Wegener?

What is the name of the supercontinent proposed by Alfred Wegener?
A) Pangaea
B) Rodinia
C) Amasia
D) Nuna

barry   558   2 Replies

barry

Although the jigsaw-puzzle fit of the southern continents was noted, opponents o

Although the jigsaw-puzzle fit of the southern continents was noted, opponents o

Although the jigsaw-puzzle fit of the southern continents was noted, opponents of Continental Drift argued that, even if continental displacement had occurred, a good fit between the continents today would be unlikely. What geological evidence did th

barry   1108   2 Replies

barry

Explain how the polar wandering paths for Europe and North America can be used t

Explain how the polar wandering paths for Europe and North America can be used t

Explain how the polar wandering paths for Europe and North America can be used to support the existence of Pangaea.

barry   378   2 Replies

barry

Which two aspects of Continental Drift were most objectionable to scientists of

Which two aspects of Continental Drift were most objectionable to scientists of

Which two aspects of Continental Drift were most objectionable to scientists of the early 20th century? What evidence was used to support their objections?

barry   572   2 Replies

barry

In which decade was the Theory of Plate Tectonics developed?

In which decade was the Theory of Plate Tectonics developed?

In which decade was the Theory of Plate Tectonics developed?
A) 1940s
B) 1960s
C) 1970s
D) 1990s

barry   1557   2 Replies

barry

When considering evidence of glaciation on the southern continents, why did Wege

When considering evidence of glaciation on the southern continents, why did Wege

When considering evidence of glaciation on the southern continents, why did Wegener reject the explanation that the entire planet had experienced a period of extreme cooling?
A) Because the glacial debris was localized to a few small mountain va

barry   1010   2 Replies

barry

Lava lamps are commonly used to illustrate how convection cells in the mantle co

Lava lamps are commonly used to illustrate how convection cells in the mantle co

Lava lamps are commonly used to illustrate how convection cells in the mantle convey heat from the core to the exterior of the Earth. Explain how convection in a lava lamp transfers heat.

barry   700   2 Replies

barry

The acceptance of Plate Tectonics after the initial rejection of Continental Dri

The acceptance of Plate Tectonics after the initial rejection of Continental Dri

The acceptance of Plate Tectonics after the initial rejection of Continental Drift has been described as a scientific revolution. Explain why this scientific revolution took place and what tools were used to bring it about.

barry   1164   2 Replies

barry

When Continental Drift was first proposed in 1912, geologists from one continent

When Continental Drift was first proposed in 1912, geologists from one continent

When Continental Drift was first proposed in 1912, geologists from one continent above all were strongly against the idea. Which continent's geologists were against the idea and why did they have difficulty accepting it?

barry   347   2 Replies

barry

Scientific research supports the existence of Alfred Wegener's proposed supercon

Scientific research supports the existence of Alfred Wegener's proposed supercon

Scientific research supports the existence of Alfred Wegener's proposed supercontinent approximately 300 million years ago. It has subsequently broken apart and the pieces - our modern continents - have migrated to the positions they occupy toda

barry   564   2 Replies

barry

________ and ________ drive water from the pores of a subducted oceanic plate, w

________ and ________ drive water from the pores of a subducted oceanic plate, w

________ and ________ drive water from the pores of a subducted oceanic plate, which leads to partial melting.

barry   1093   2 Replies

barry

If new plate material is being created at divergent plate boundaries, is the Ear

If new plate material is being created at divergent plate boundaries, is the Ear

If new plate material is being created at divergent plate boundaries, is the Earth growing larger? Explain why or why not.

barry   428   2 Replies

barry

At a Continental-Continental convergence, will continental plate material descen

At a Continental-Continental convergence, will continental plate material descen

At a Continental-Continental convergence, will continental plate material descend into the mantle during subduction? Why or why not?

barry   457   2 Replies

barry

________ is the name of the process by which new seafloor is generated at mid-oc

________ is the name of the process by which new seafloor is generated at mid-oc

________ is the name of the process by which new seafloor is generated at mid-ocean ridges.

barry   411   2 Replies

barry

If there is no compositional difference between two oceanic plates, what factor

If there is no compositional difference between two oceanic plates, what factor

If there is no compositional difference between two oceanic plates, what factor will determine which will become the subducted plate and why?

barry   1359   2 Replies

barry

There is an expression in American society that it would only take one good eart

There is an expression in American society that it would only take one good eart

There is an expression in American society that it would only take one good earthquake and the state of California would sink into the ocean. Using what you know about Plate Tectonics, explain why this may or may not be possible.

barry   591   2 Replies

barry

Which two continents did Wegener cite as having the best evidence of a close fit

Which two continents did Wegener cite as having the best evidence of a close fit

Which two continents did Wegener cite as having the best evidence of a close fit?

barry   706   2 Replies

barry

The ________ is a hotter, weaker region in the mantle that lies below the lithos

The ________ is a hotter, weaker region in the mantle that lies below the lithos

The ________ is a hotter, weaker region in the mantle that lies below the lithosphere and responds to forces by flowing.

barry   2503   2 Replies

barry

When the continents were assembled and mountain ranges were matched up, mountain

When the continents were assembled and mountain ranges were matched up, mountain

When the continents were assembled and mountain ranges were matched up, mountains in Scandinavia and the British Isles matched up perfectly with which North American mountain range?
A) Rocky Mountains
B) Appalachian Mountains
C) Sierra

barry   2010   2 Replies

barry

In the mid-20th century, researchers dredging the seafloor could not find any ma

In the mid-20th century, researchers dredging the seafloor could not find any ma

In the mid-20th century, researchers dredging the seafloor could not find any materials older than ________.
A) 6,000 years
B) 1.2 million years
C) 180 million years
D) 1.5 billion years

barry   2570   2 Replies

barry

Alfred Wegener provided several pieces of evidence supporting the idea that the

Alfred Wegener provided several pieces of evidence supporting the idea that the

Alfred Wegener provided several pieces of evidence supporting the idea that the planet's continents were once joined in a single landmass. List four of them.

barry   858   2 Replies

barry

Analyze and explain how the respective temperatures of the lithosphere and asthe

Analyze and explain how the respective temperatures of the lithosphere and asthe

Analyze and explain how the respective temperatures of the lithosphere and asthenosphere affect those layers' rigidities and responses when force is applied.

barry   1228   2 Replies

barry

Which plate boundary accounts for the smallest percentage of all plate boundarie

Which plate boundary accounts for the smallest percentage of all plate boundarie

Which plate boundary accounts for the smallest percentage of all plate boundaries on the surface of the Earth?
A) Convergent Boundaries
B) Divergent Boundaries
C) Transform Boundaries

barry   1138   2 Replies

barry

Which of the following is not one of the major tectonic plates on the Earth's su

Which of the following is not one of the major tectonic plates on the Earth's su

Which of the following is not one of the major tectonic plates on the Earth's surface?
A) Juan de Fuca Plate
B) North American Plate
C) African Plate
D) Pacific Plate

barry   574   2 Replies

barry

Why are the mid-ocean ridges higher in elevation than the surrounding ocean floo

Why are the mid-ocean ridges higher in elevation than the surrounding ocean floo

Why are the mid-ocean ridges higher in elevation than the surrounding ocean floor?
A) Due to the high volume of magma issuing from the fissure
B) Warmer material near the ridge is less dense, so floats higher on the mantle
C) The colli

barry   1947   2 Replies

barry

Which is denser: Oceanic lithosphere or continental lithosphere?

Which is denser: Oceanic lithosphere or continental lithosphere?

Which is denser: Oceanic lithosphere or continental lithosphere?

barry   514   2 Replies

barry

A location where continental rifting is occurring today is ________.

A location where continental rifting is occurring today is ________.

A location where continental rifting is occurring today is ________.
A) San Andreas Fault
B) Mid-Continent Rift
C) Juan de Fuca Trench
D) East African Rift Valley

barry   3244   2 Replies

barry

At a ________, one colliding plate will be forced beneath another because of dif

At a ________, one colliding plate will be forced beneath another because of dif

At a ________, one colliding plate will be forced beneath another because of differences in density.
A) Subduction Zone
B) Continental Rift
C) Transform Boundary
D) Twilight Zone

barry   1353   2 Replies

barry

A ________ is a geographic low marking the location where oceanic lithosphere de

A ________ is a geographic low marking the location where oceanic lithosphere de

A ________ is a geographic low marking the location where oceanic lithosphere descends into the mantle.
A) Fold and Thrust Mountains
B) Deep-Ocean Trench
C) Benioff Zone
D) Mid-Ocean Rift

barry   1414   2 Replies

barry

The lithosphere is composed of material from the ________ and the rigid part of

The lithosphere is composed of material from the ________ and the rigid part of

The lithosphere is composed of material from the ________ and the rigid part of the ________.
A) Outer Core; Inner Core
B) Mantle; Outer Core
C) Crust; Lower Mantle
D) Crust; Upper Mantle

barry   1628   2 Replies

barry

How will the age and temperature of the subducting plate affect its angle of des

How will the age and temperature of the subducting plate affect its angle of des

How will the age and temperature of the subducting plate affect its angle of descent?
A) Older and cooler plates will have a shallow angle of descent
B) Older and warmer plates will have a steeper angle of descent
C) Younger and warmer

barry   1141   2 Replies

barry

Explain how geologists regarded the positions of the ocean basins and the contin

Explain how geologists regarded the positions of the ocean basins and the contin

Explain how geologists regarded the positions of the ocean basins and the continents prior to the 1960s and how that perspective differs from how modern geologists regard those same features.

barry   461   2 Replies

barry

Silica tetrahedra are able to link into long chains that share oxygen ions thro

Silica tetrahedra are able to link into long chains that share oxygen ions thro

 Silica tetrahedra are able to link into long chains that share oxygen ions through the process of ________.
A) Isolation
B) Precipitation
C) Fission
D) Polymerization

barry   2783   1 Reply

savio

Define magma. Explain how magma differs from lava.

Define magma. Explain how magma differs from lava.

Define magma. Explain how magma differs from lava.

barry   694   1 Reply

Doctor-2-B

What is a volatile? (Multiple Choice)

What is a volatile? (Multiple Choice)

What is a volatile?
A) A hostile person
B) Solid mineral crystals in a melt
C) Gases dissolved in a magma
D) The liquid portion of a magma

barry   647   2 Replies

barry

Which of the following substances is not a volatile?

Which of the following substances is not a volatile?

Which of the following substances is not a volatile?
A) O2
B) CO2
C) H2O
D) SO2

barry   797   2 Replies

barry

What is the charge of a single proton?

What is the charge of a single proton?

What is the charge of a single proton?
A) +1
B) -1
C) +2
D) -3

barry   586   2 Replies

barry

What is the name of the chart that organizes elements in order of chemical prope

What is the name of the chart that organizes elements in order of chemical prope

What is the name of the chart that organizes elements in order of chemical properties?
A) Moh's Hardness Scale
B) Atomic Symbols
C) Elemental Flow Chart
D) Periodic Table of Elements

barry   1068   2 Replies

barry