Its All About Geology Exam Quiz
(117).jpg "Its All About Geology Exam Quiz - Quiz")
Here's a compilation of all the questions. Good Luck!
- 1.
What causes plates to move across the Earth's Surface?
- A.
Centrifugal force of the Earth's rotation spins plates across the surface.
- B.
Volcanic eruptions on the seafloor push plates apart
- C.
Tidal forces drive plates motion
- D.
Movement of plates is surface manifestation of convection in the mantle.
Correct Answer
D. Movement of plates is surface manifestation of convection in the mantle. -
- 2.
What valuable purpose does a scientific hypothesis serve?
- A.
It reveals the absolute truth
- B.
It provides the basis for testable predictions
- C.
It can never be changed
- D.
It is a complete representation of the real world
Correct Answer
B. It provides the basis for testable predictions -
- 3.
Most of the common minerals in the crust are
- A.
Gemstone
- B.
Silicates
- C.
Peridotites
- D.
Cheese
Correct Answer
B. Silicates -
- 4.
Rates of seafloor spreading today are on the order of
- A.
Cent per hr
- B.
Mi per yr
- C.
Km per yr
- D.
Cent per yr
Correct Answer
D. Cent per yr -
- 5.
Which is an example of divergent plate boundary
- A.
Easy African Rift
- B.
Himalayas
- C.
Andes
- D.
San Andreas fault
Correct Answer
A. Easy African Rift -
- 6.
In the rock cycle weathering
- A.
Creates mountains
- B.
Causes metamorphism
- C.
Creates sediment
- D.
Creates volcanoes
Correct Answer
C. Creates sediment -
- 7.
The Lithosphere
- A.
Is the thinner part of the crust found under the oceans
- B.
Is the rocky part of the crust found under the mountains
- C.
Is made of the crust and the uppermost mantle
- D.
Is made of the mantle and the asthenosphere
Correct Answer
C. Is made of the crust and the uppermost mantle -
- 8.
One of the fastest geologic proccess is
- A.
Sediment accumulation in the deep sea
- B.
Landslide movement
- C.
Ground breaking during earthquake
- D.
Erosion of river valleys
Correct Answer
C. Ground breaking during earthquake -
- 9.
Which of the following statements is NOT true of minerals
- A.
They are crystalline
- B.
They posses a definite chemical composition
- C.
They are naturally occurring
- D.
They are usually organic
Correct Answer
D. They are usually organic -
- 10.
Iron and magnesium are similar in size and both have a +2 charge. Therefore we would expect
- A.
Iron and mag to bond easily
- B.
Iron and mag to share electrons
- C.
Iron and mag to form minerals with diff crystal structure
- D.
Iron and mag to substitute for each other within the crystal structure of minerals
Correct Answer
D. Iron and mag to substitute for each other within the crystal structure of minerals -
- 11.
The CO2 emission from human activity in 2009 is about
- A.
40000 tons of CO2/yr
- B.
40000 million tons of CO2/yr
- C.
400000million tons of CO2/yr
- D.
Unknown
Correct Answer
B. 40000 million tons of CO2/yr -
- 12.
When an atom loses an electron in its outer shell, it becomes
- A.
Negatively charged
- B.
Positively charged
- C.
Neutral
- D.
Heavier in weight.
Correct Answer
B. Positively charged -
- 13.
Which of the following rocks form from molten material cooling and solidifying within the Earth's crust
- A.
Volcanic
- B.
Plutonic
- C.
Sedimentary
- D.
Metamorphic
Correct Answer
B. Plutonic -
- 14.
Molten rock within the earth is called
- A.
Silica
- B.
Limestone
- C.
Lava
- D.
Magma
Correct Answer
D. Magma -
- 15.
In the rock cycle, weathering
- A.
Creates mountains
- B.
Causes metamorphism
- C.
Creates sediment
- D.
Creates volcanoes
Correct Answer
C. Creates sediment -
- 16.
How do geologists know that diamond is the hardest mineral?
- A.
They conduct molecular analyses
- B.
The conduct a crush test
- C.
They conducts a scratch test
- D.
They conduct a streak test
Correct Answer
C. They conducts a scratch test -
- 17.
How many electrons fit into most levels of an atom?
- A.
2
- B.
4
- C.
8
- D.
16
Correct Answer
C. 8 -
- 18.
What type of minerals dissolves best in water
- A.
Metallically bonded minerals
- B.
Covalently bonded minerals
- C.
Ionically bonded minerals
- D.
Single-element minerals
Correct Answer
C. Ionically bonded minerals -
- 19.
A synonym for plutonic is
- A.
Cold
- B.
Intrusive
- C.
Watery
- D.
Extrusive
Correct Answer
B. Intrusive -
- 20.
Where are contact metamorphosis rocks found
- A.
Next to lava flows or igneous intrusions
- B.
At the top of cliffs and mountains
- C.
In places of high pressure
- D.
Next to sedimentary rocks
Correct Answer
A. Next to lava flows or igneous intrusions -
- 21.
Contrast volcanic rock and sandstone
- A.
Sandstone has crystals but volcanic rock is amorphous
- B.
Sandstone's crystal cement is made of minerals precipitated out of water, while volcanic rock's cyrstals formed from molten rock.
- C.
Volcanic rock's cystral cement is glass-like, while sandstone's cement is opaque
Correct Answer
B. Sandstone's crystal cement is made of minerals precipitated out of water, while volcanic rock's cyrstals formed from molten rock. -
- 22.
What are the two most abundant elements by weight in the Earth's crust?
- A.
Calcium and oxygen
- B.
Silicone and oxygen
- C.
Iron and aluminum
Correct Answer
B. Silicone and oxygen -
- 23.
Mantle rocks can melt due to
- A.
Increase in pressure
- B.
Addition of water
- C.
Decrease in temperature
- D.
All of the above
Correct Answer
B. Addition of water -
- 24.
Rocks originating from eruption of motlen material at the sruface are called ________ rocks
- A.
Lava
- B.
Volcanic
- C.
Pyrolcastic
- D.
Intrusive
Correct Answer
B. Volcanic -
- 25.
Synonym for volcanic
- A.
Extrusive
- B.
Intrusive
- C.
Plutonic
- D.
Lava
Correct Answer
A. Extrusive -
- 26.
Which type of magma has the lowest gas content
- A.
Andesitic
- B.
Basaltic
- C.
Rhyolitic
- D.
Dacitic
Correct Answer
B. Basaltic -
- 27.
CO2 emissions from volcanoes are about
- A.
260 million tons
- B.
10 million tons
Correct Answer
A. 260 million tons -
- 28.
When a magma cools which mineral will crystallize at the highest temp
- A.
Quartz
- B.
Amphibole
- C.
Olivine
- D.
Calcite
Correct Answer
C. Olivine -
- 29.
A pyroclastic rock is
- A.
A lava rock
- B.
Intrusive
- C.
Another word for pahoehoe rock
- D.
A rock made up of pumice, crystals and ash
Correct Answer
D. A rock made up of pumice, crystals and ash -
- 30.
Rocks can melt due to an increase in pressure
- A.
True
- B.
False
Correct Answer
B. False -
- 31.
Feldspars can have various amounts of potassium, calcium and sodium
- A.
True
- B.
False
Correct Answer
A. True -
- 32.
Rocks can melt due a decrease in pressure
- A.
True
- B.
False
Correct Answer
A. True -
- 33.
Pahoehoe is a type of basaltic lava flow
- A.
True
- B.
False
Correct Answer
A. True -
- 34.
Aa flows are generally more silica rich that pahoehoe flows
- A.
True
- B.
False
Correct Answer
B. False -
- 35.
The most abundant gas in magmas is water
- A.
True
- B.
False
Correct Answer
A. True -
- 36.
The viscosity of a magma increases with increasing water content of the magma
- A.
True
- B.
False
Correct Answer
B. False -
- 37.
A geologist observing a break in a rock formation consisting of sedimentary layers concludes that the layers were displaces as a result of a fault movement. which principle is described?
- A.
Principle of inclusions
- B.
Principle of superposition
- C.
Principle of cross-cutting relationships
- D.
Principle of original horizontality
Correct Answer
C. Principle of cross-cutting relationships -
- 38.
Which principle is a geologist using when deciding that a fossil in a mud layer is older than a fossil in a sandstone layer above it?
- A.
Principle of inclusion
- B.
Principle of superposition
- C.
Principle of original horizontality
Correct Answer
B. Principle of superposition -
- 39.
Choose the option that orders the measurement of time from shortest to longest
- A.
Epoch, period, era, eon
- B.
Era, epoch, eon, period
- C.
Period, epoch, era, eon
- D.
Epoch, period, eon, era
Correct Answer
A. Epoch, period, era, eon -
- 40.
When carbon 14 decays, the product is
- A.
Nitrogen 14
- B.
Aluminum 13
- C.
Carbon 12
- D.
Carbon 13
Correct Answer
A. Nitrogen 14 -
- 41.
Which mineral does not contain abundant potassium
- A.
Feldspar
- B.
Biotite
- C.
Muscovite
- D.
Calcite
Correct Answer
D. Calcite -
- 42.
What does a radioactive-isotope aging test on a rock determine
- A.
Age of weathering
- B.
Date of formation of the rock-forming minerals
- C.
Length of time the rock has existed in its location
- D.
Age of the rock since sedimentation
Correct Answer
B. Date of formation of the rock-forming minerals -
- 43.
Where have the odlest dated sand grains been found on earth
- A.
Australia
- B.
Canada
- C.
Caribbean
- D.
Ocean floor
Correct Answer
A. Australia -
- 44.
What are radioactive decay rates in minerals affected by
- A.
Temp and pressure
- B.
Nothing
- C.
Variations in gravity and magnetism
- D.
Heat
Correct Answer
B. Nothing -
- 45.
Which mineral is not presnt in gneiss at a dpeth of 5 km or more
- A.
Mica
- B.
Quartz
- C.
Feldspar
- D.
Calcite
Correct Answer
D. Calcite -
- 46.
The thre ingredients of sedimentary-rock texture does not include
- A.
Degree of sorting
- B.
Rounding of the grains
- C.
Dominant grain size
- D.
Mineralogy of the grains
Correct Answer
D. Mineralogy of the grains -
- 47.
What two, easily observed characteristics are used to name sed rocks
- A.
Site of origin and age
- B.
Chem makeup and texture
- C.
Grain size and comp
- D.
Color and texture
Correct Answer
C. Grain size and comp -
- 48.
The direction of moving water and air currents that transport sediment can be determined by the study of
- A.
Bedding
- B.
Mudcrakcs
- C.
Cross-beds
- D.
Graded beds
Correct Answer
C. Cross-beds -
- 49.
Relative age gives
- A.
The age of a rock unit in years
- B.
The relative age of a rock unit related to one above or below
- C.
The composition of a rock unit
- D.
The number of years that it took for the rock unit to form
Correct Answer
B. The relative age of a rock unit related to one above or below -
- 50.
The Precambrian is
- A.
The name of a fossil
- B.
A time period in the earths history that extends from about 500 million years to 4.5 billion years
- C.
The name of a mineral that weather to form really old rocks
Correct Answer
B. A time period in the earths history that extends from about 500 million years to 4.5 billion years -
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Current Version
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Mar 20, 2022Quiz Edited by
ProProfs Editorial Team -
May 12, 2010Quiz Created by
Naeuvaseh
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