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- 1. Multiple Choice
Most of the Earth's volume is contained in the _______ .
mantle
inner core
outer core
crust
- 2. Multiple Choice
What is the name of the layer of the Earth that is labeled with the letter W?
crust
inner core
mantle
outer core
- 3. Multiple Choice
The Earth's mantle is
cooler than the crust but hotter than the core
cooler than both the crust and the core
hotter than both the crust and the core
hotter than the crust but cooler than the core
- 4. Multiple Choice
Which two elements are the most abundant in the Earth's crust?
iron and nickel
silicon and magnesium
silicon and oxygen
iron and magnesium
- 5. Multiple Choice
Earth's core is made mostly of
iron and magnesium
silicon and magnesium
silicon and oxygen
iron and nickel
- 6. Multiple Choice
The Earth's core is
hotter than both the crust and the mantle.
cooler than the crust but hotter than the mantle.
hotter than the crust but cooler than the mantle.
cooler than both the crust and the mantle.
- 7. Multiple Choice
Which of the following lists Earth's compositional layers in order, starting with Earth's outermost layer and ending with Earth's center?
core, crust, mantle
crust, mantle, core
mantle, crust, core
core, mantle, crust
- 8. Multiple Choice
Which one of the Earth's layers is the thinnest?
outer core
crust
inner core
mantle
- 9. Multiple Choice
Parts of the mantle are able to flow like thick molasses. Other parts of the mantle are very rigid. Which of the following best describes the mantle?
The mantle has properties of both liquids and solids.
The mantle has properties of solids only.
The mantle has properties of liquids only.
The mantle has properties of gases and liquids only.
- 10. Multiple Choice
What is the name of the layer of the Earth that is labeled with the letter X?
outer core
mantle
inner core
crust
- 11. Multiple Choice
What is the name of the layer of the Earth that is labeled with the letter Z?
mantle
inner core
crust
outer core
- 12. Multiple Choice
What is the name of the layer of the Earth that is labeled with the letter Y?
mantle
inner core
outer core
crust
- 13. Multiple Choice
Two hundred and twenty-five million years ago, all of today's continents were part of a single continent known as Pangaea. The map below shows the positions of some of these continents. There is a significant amount of evidence that can be used to support the theory that Pangaea existed. Which of the following explains how the map shows evidence for the existence of Pangaea?
The continents' shapes fit together well, but each continent has completely different fossils.
The continents' shapes do not fit together very well, but some continents have the same fossils.
The continents' shapes fit together well, and some continents have the same fossils.
The continents' shapes do not fit together very well, and each continent has completely different fossils.
- 14. Multiple Choice
When two continental plates collide, sometimes one plate slides beneath the other in a process known as subduction. When one continental plate slides beneath another
material from the Earth's surface is returned to the interior.
weathering and erosion work to build high plateaus and mountain ranges.
material from the Earth's interior is always returned to the surface.
the process of melting returns material to the Earth's surface.
- 15. Multiple Choice
Mountain chains can be formed by the collision of two tectonic plates. Which of the following provides the energy which pushes the tectonic plates together?
energy from sunlight
energy from organisms living on the Earth
energy from ocean currents
energy from the Earth's interior
- 16. Multiple Choice
The scientific theory of plate tectonics states that the Earth's crust is composed of many plates, or slabs of rock. Interactions of these plates have created different landforms, or geologic features. Which of the following statements provides evidence for this theory?
Fossilized marine creatures can be found at the top of the Himalayan mountains.
An iceberg buckles the hull of the Titanic and allows water to enter between the steel plates.
A large earthquake off the coast of Japan induces a wave that is over twenty feet high.
The city of Pompeii is perfectly preserved under volcanic ash following the eruption of Mount Vesuvius.
- 17. Multiple Choice
Given below is a map of the west coast of the United States. The red line depicts the San Andreas Fault, a transform boundary that runs parallel to the coast. The San Andreas Fault separates the North American plate on the east from the Pacific plate on the west.
Based on this information, which of the following most likely occurs near the San Andreas Fault?
subduction of oceanic crust
frequent droughts
deposition of sediment
frequent earthquakes
- 18. Multiple Choice
The image shows a convergent plate boundary. Based on the image, which of the following would most likely form at point X as a result of the converging plates?
mid-ocean ridge
marshes
volcanoes
deltas
- 19. Multiple Choice
The movement of Earth's tectonic plates relate to many factors, including density differences in the plates and
the number of species living on each plate.
convection cells in Earth's atmosphere.
how closely humans monitor plate movements.
convection currents in Earth's mantle.
- 20. Multiple Choice
Which of the following describes how and where a trench forms in a plate tectonic setting?
A trench results from rifting and forms outside the rift on whichever plate is lower in elevation.
A trench results from subduction and forms in the volcanic arc on the overriding plate.
A trench results from rifting and forms outside the rift on whichever plate is higher in elevation.
A trench results from subduction and forms on the ocean floor where the two plates meet.
- 21. Multiple Choice
21.The world map below shows the locations of tectonic plate boundaries (black lines) and active volcanoes (red dots).
Based on this map, volcanoes most commonly form
in the middle of tectonic plates.
along Earth's equator.
near tectonic plate boundaries.
in Earth's polar regions.
- 22. Multiple Choice
What causes events such as earthquakes volcanic eruptions, and the creation of mountains?
position of the planets
atmospheric pressure
ocean tides
lithospheric plate movement
- 23. Multiple Choice
The image below shows a divergent boundary between two tectonic plates.
Based on the image, which of the following would most likely occur at point X as a result of the diverging plates?
formation of barrier islands
formation of new rocks
subduction of oceanic crust
deposition of sediment
- 24. Multiple Choice
The diagram below shows a volcanic chain.
Volcanoes form where a denser oceanic plate moves below a continental plate. Which of the following happens in the region labeled X during this process?
The oceanic crust crystallizes, forming new rock.
Magma rises into the continental crust, producing volcanoes.
Solid rock liquefies, producing new oceans.
Tectonic plates diverge, forming magma.
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