- When two tectonic plates, each capped by continental crust, converge, the most likely result will be:
Your answer:
earthquakes only.
earthquakes and non-volcanic mountains.
earthquakes and volcanic mountains.
the creation of new ocean floor.
- When two tectonic plates, each capped by oceanic crust, converge, the most likely result will be:
Your answer:
earthquakes only.
an oceanic island volcanic arc and earthquakes.
a continental volcanic arc and earthquakes.
earthquakes and non-volcanic mountains.
- What is a plausible driving mechanism (energy source) for plate tectonic motion?
Your answer:
convection of the asthenosphere
conduction in the asthenosphere
radiation from the lithosphere
convection of the mesosphere
- The isle of Iceland is characterized by fissure (long crack in the crust) eruptions of basaltic lava because Iceland sits directly over what type of plate tectonic boundary?
Your answer:
convergent
rectangular
divergent
transform
- Southern California experiences frequent earthquakes resulting mostly in the lateral movement of the surface because this area is located along what type of plate tectonic boundary?
Your answer:
divergent
convergent
rectangular
transform
- What are the two most abundant chemical elements in the Earth's crust?
Your answer:
hydrogen and oxygen
carbon and silicon
carbon and oxygen
silicon and oxygen
- What is the essential difference between Carbon-12 and Carbon-14?
Your answer:
Carbon-14 contains two more protons than Carbon-12.
Carbon-14 contains two more electrons than Carbon-12.
Carbon-14 contains two more neutrons than Carbon-12.
Carbon-14 contains two more positrons than Carbon-12.
- The weakest type of chemical bond, and therefore the bond type requiring the least energy to break, would be:
Your answer:
the covalent bond.
the van der Waals bond.
the metallic bond.
the ionic bond.
- Minerals are classified into chemical groups based on their:
Your answer:
total number of protons and neutrons they contain.
physical properties.
dominant cation in the chemical formula.
dominant anion in the chemical formula.
- What magma type will almost always solidify before it reaches the surface and form a plutonic rock?
Your answer:
calcite
andesite
basalt
rhyolite/granite
- Which of the following magma types is thought to originate from partial melting of the continental crust?
Your answer:
calcite
basalt
andesite
rhyolite/granite
- Why don't the Hawaiian volcanoes host volcanic domes?
Your answer:
The Hawaiian rainfall amounts are too high to allow dome formation.
The magma viscosity is too low to allow dome formation.
The air temperature in Hawaii is too high to allow dome formation.
The temperature of the magma is too low to allow dome formation.
- If someone informed you that a volcanic eruption occurred at an undisclosed location and that lava merely flowed from a fissure and spread rapidly over a large area, you'd tell them that what rock type was being formed?
Your answer:
granite
rhyolite
andesite
basalt
- Bowen's Reaction Series describes:
Your answer:
the rate at which metallic elements like copper will weather.
the sequence of partial melting of basalt.
the sequence of mineral crystallization from a basaltic magma.
a televison sitcom based on the life of a poor geology student.
- What type of pluton intrudes parallel to the layering of the host rock?
Your answer:
a volcanic neck
a sill
a batholith
a dike
- What is the most important source of acid for chemical weathering?
Your answer:
animal decay
volcanic rock alteration
atmospheric carbon dioxide dissolved in rainwaters
acidic waters draining from coal mines
- The tarnishing of silverware or rusting of an automobile is evidence of what chemical reaction type?
Your answer:
dehydration
oxidation
hydrolysis
hydration
- In which climatic setting should chemical weathering reactions proceed most quickly?
Your answer:
humid temperate
polar
tropical
arid
- In a humid-temperate climate like our own, what is the minimum amount of time required for a mature soil to form?
Your answer:
10000 years
10 years
1000 years
100 years
- What is the name of the mechanical weathering process that aids the formation of road potholes in southeast Michigan?
Your answer:
contraction cracking
frost wedging
pressure-release cracking
crystal growth
- The concept that geological processes occurring today have occurred throughout Earth history is known as the Principle of:
Your answer:
- What term is used to describe an electrically charged atom or group of atoms?
Your answer:
- What mineral property describes the tendency of some minerals to break in preferred directions to yield flat, reflective surfaces?
Your answer:
- What volcano structure type typically has a large diameter (up to 100 km) and a relatively shallow slope?
Your answer:
- What Earth physical layer is composed of the crust plus uppermost mantle and behaves in a brittle fashion under high levels of stress?
Your answer:
- The atomic number is equal to the number of what subatomic particle type in the atom structure?
Your answer:
- What type of chemical bond results from the sharing of one or more electrons between adjacent atom structures?
Your answer:
- After water vapor, what gas is typically released from volcanoes in the greatest amount?
Your answer:
- What term describes atoms of an element that possess the same number of electrons and protons but a different number of neutrons?
Your answer:
- The heat-island effect associated with a sun-drenched asphalt parking lot results from what heat transfer process?
Your answer: