Its All About Geology Exam Quiz

86 Questions | By Naeuvaseh | Last updated: Mar 20, 2022 | Total Attempts: 78

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Questions and Answers

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.
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
3.

Most of the common minerals in the crust are
- A.
  
  Gemstone
- B.
  
  Silicates
- C.
  
  Peridotites
- D.
  
  Cheese
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
5.

Which is an example of divergent plate boundary
- A.
  
  Easy African Rift
- B.
  
  Himalayas
- C.
  
  Andes
- D.
  
  San Andreas fault
6.

In the rock cycle weathering
- A.
  
  Creates mountains
- B.
  
  Causes metamorphism
- C.
  
  Creates sediment
- D.
  
  Creates volcanoes
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
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
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
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
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
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.
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
14.

Molten rock within the earth is called
- A.
  
  Silica
- B.
  
  Limestone
- C.
  
  Lava
- D.
  
  Magma
15.

In the rock cycle, weathering
- A.
  
  Creates mountains
- B.
  
  Causes metamorphism
- C.
  
  Creates sediment
- D.
  
  Creates volcanoes
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
17.

How many electrons fit into most levels of an atom?
- A.
  
  2
- B.
  
  4
- C.
  
  8
- D.
  
  16
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
19.

A synonym for plutonic is
- A.
  
  Cold
- B.
  
  Intrusive
- C.
  
  Watery
- D.
  
  Extrusive
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
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
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
23.

Mantle rocks can melt due to
- A.
  
  Increase in pressure
- B.
  
  Addition of water
- C.
  
  Decrease in temperature
- D.
  
  All of the above
24.

Rocks originating from eruption of motlen material at the sruface are called ________ rocks
- A.
  
  Lava
- B.
  
  Volcanic
- C.
  
  Pyrolcastic
- D.
  
  Intrusive
25.

Synonym for volcanic
- A.
  
  Extrusive
- B.
  
  Intrusive
- C.
  
  Plutonic
- D.
  
  Lava