Alfred Wegener based his theory of Continental Drift on three types of evidence. In you opinion, which type of evidence supported his ideas the best? Give reasons.
Question 41
41.
How does radio carbon dating tell scientists how old a sample is?
Question 42
42.
You have been given this rock rock sample to identify. What different properties would you examine to determine what type of rock the sample is. Name at least fourdifferent properites.
Question 43
43.
The two pictures above come from different mountain ranges in Canada. The first one is in the Rocky Mountains; the second is in the Laurentian Mountains in Quebec. Which mountain range is older and how do you know?
A major oil company employs you as a geologist. You are given an unknown mineral and asked to determine what it is. Which of the following tests would provide a clue as to what the mineral is? Check all that would apply
lustre
streak test
pH test
fracture/cleavage
type of crystal
Anna is using Moh's Hardness Scale to test some rock samples. Which rock sample would she find has the greatest hardness?
Quartz
Feldspar
Calcite
Diamond
You hit a rock with a hammer and it splits in half. Where the rock split is extremely smooth and straight. This rock is said to have...
fracture
lustre
breakage
cleavage
Compounds are made up of one or more...
colours
elements
rocks
crystals
Ned, your pet rock has larger grains and shiny flecks. When you ask Mrs. Fisher, she says that Ned used to be magma, but cooled slowly until he became what he is today. What type of rock is Ned?
Sedimentary
Classic Rock
Igneous
Metamorphic
While on a fieldtrip to the Frank Slide, Hayden finds a sedimentary rock containing sediments of various sizes. Which of the following rocks did Hayden probably find?
conglomorate
mudstone
granite
shale
What type of rock forms from lava that cools quickly?
non foliated metamorphic
extrusive igneous
foliated metamorphic
intrusive igneous
This picture is an example of a...
soil zone
soil map
soil horizon
soil profile
Soil is a mixture of weathered rock and...
minerals
plant roots
decayed organic material
sand
Which type of rock would be most harmed by exposure to acid rain?
a granite patio stone
a limestone wall
an amethyst broach
a gneiss gatepost
Mosses growing on the surface of rocks, producing pits on the rocks is an example of what type of weathering?
mechanical weathering
chemical weathering
biological weathering
frost wedging
This picture of hoodoos is an example of what type of weathering?
chemical weathering
mechanical weathering
biological weathering
rapid weathering
The theory that the continents have moved from one super continent to their current location is called...
continental drift
convection
subduction
continental slide
Plates that move apart at their boundaries are called...
convergent
volcanic
divergent
reverse faults
When oceanic and continental plates collide, one plate is forced under the other. What term describes the areas where these plates overlap?
fault block zones
subduction zones
conduction zones
slip strike zones
Geologists have tested the age of rock samples near mid-ocean ridges. How does the age of rocks near the continents compare to the age of rocks near the mid-ocean ridges?
Rocks found near the Mid-Atlantic Ridge are older.
All rocks on the sea floor are about the same age.
Rocks get increasingly older as you approach the continents.
Rocks near the continents are younger.
Which of the following originates at the greatest depth beneath the earth's crust?
epicentre
primary and secondary waves
primary waves
surface waves
A volcano that is not currently erupting is called...
inactive
sleeping
extinct
dormant
Many active volcanoes form around the edge of the Pacific Plate forming the...
Pacific Ring of Fire.
Cauldron of Doom.
Hawaiian Islands.
Mid-Atlantic Ridge.
Which of the following is the most dangerous effect of volcanoes?
volcanic ash
lava flow
mud slides
pyroclastic flows
Mountains are usually formed as a result of which type of boundary?
diverging
converging
transform
faulting
The lithosphere is made of what two layers?
lower mantle and upper mantle.
lower mantle and outer core.
crust and upper mantle.
inner core and outer core.
Which of the following was sonar technology used to discover?
The direction of the magnetic field
Tectonic plates
Volcanoes
Mid-Atlantic Ridge
How did the scientific community respond to Alfred Wegener's theory for continental drift?
They rejected his idea because evolution occurs at the same rate all around the world.
They fully supported the theory.
They supported the theory of continental drift but not a supercontinent called Pangea.
They rejected his idea because he couldn't explain the origin of the force moving the continents.
A scale of magnitudes used to measure earthquakes is called the...
Epicenter
Richter Scale
Wegener Scale
Moh's Scale
As an engineer which type of seismic wave would you be most concerned about?
Friendly waves🖐️
Surface waves
Primary or P waves
Secondary waves
The picture above is an example of folded rock called...
ridge
syncline
anticline
fault line
The picture above shows mountains that were formed by...
fault blocking.
thrust faulting.
folding.
volcanoes.
Which of the following statements is true of the Himalayas?
They are decreasing in height.
They are located in Russia.
They are the world's oldest mountain range.
They are increasing in height.
Fossils are useful because ...(check all that apply)
all animals that ever lived are fossilized.
they help us understand when certain organisms lived and then became extinct
all fossils create petroleum.
they help us understand when and where organisms lived.
they can be used to determine the relative age of rocks.
What are tracks, burrows, and other fossilized evidence of animal activity known as?
molds
carbonaceous fossils
trace fossils
true form fossils
All of the following conditions help to preserve fossils EXCEPT...
anoxic (no oxygen) environment.
protection from scavengers.
the presense of microorgansims.
rapidly being covered by sediment.
The largest division in the Geologic Time Scale is called the...
Eon
Period
Era
Epoch
Dinosaurs were the dominant life form on earth in which Era of the Geologic Time Scale?
Precambrian
Paleozoic
Cenozoic
Mesozoic
In which Era did humans appear on the Geologic Time Scale?
Mesozoic
Cenozoic
Precambrian
Paleozoic
Which of the following is not used as a method of relative dating?
principle of superposition
index fossils
radiometric dating
looking at the order of past events to estimate the age of a sample.
In which rock is petroleum most commonly found?
metamorphic rock
pop rock
sedimentary rock
igneous rock
Which is a heavy, almost solid form of petroleum?
oil
natural gas
bitumen
coal
Which of the following statements about petroleum is not true.
Petroleum comes from tiny plants and animals that have been trapped in mud and silt.
Petroleum is a renewable resource.
Petroleum is created over millions of years under heat and pressure.