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Science 7 Planet Earth Flashcards | StudBud
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Science 7 Planet Earth
Science 7 Planet Earth
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Planet Earth Unit Review
Flashcards
46 cards
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Practice quiz
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Questions
46
Answers
1
Which is not a rock family?
sedimentary
metamorphic
limestone
igneous
2
What is NOT a way geologists can date a rock?
radiometric dating
take it out to a nice sea food dinner & NEVER CALL IT AGAIN
relative dating
radiocarbon dating
3
The age of the earth is broken down into time scales. Which is not one of them?
Periods
Erins
Eras
Eons
4
Geologists think that tectonic plates are able to move because of
divergent plates
hot spots
convection currents
gravitational pull from the moon
5
Which geologic time is closest to present day humans?
Paleozoic
Cenozoic
Mesozoic
Precambrian
6
Which geologic featured the first animals with backbones?
Paleozoic
Cenozoic
Mesozoic
Precambrian
7
Which of the following is NOT a type of seismic wave?
Focus wave
Secondary wave
Primary wave
Surface wave
8
Which type of rock family is formed from heat and pressure?
Igneous
Metamorphic
Sedimentary
9
Which geologic time had the first reptiles?
Cenozoic
Mesozoic
Paleozoic
Precambrian
10
Which of the following is not part of a seismograph
pen
drum
weight
scale
11
What is the Ring of Fire
A song by Johnny Carson
The outline of the Pacific plate where volcanoes are active
The outline of the Atlantic plate where volcanoes are active
The bitter rival of the Bermuda Triangle
12
Which magnitude of an earthquake is the most powerful
7.4
6.7
6.9
7.6
13
The surface location directly above the focus of an earthquake is called the
epicenter
origin
source
mantle
14
Which mineral is hardest?
apatite (5)
graphite (1.5)
topaz (8)
flint (7.5)
15
Which is not used for mineral classification?
weight
colour
fracture
lustre
16
The bottom of the ocean is
mountainous
smooth with sediment
too deep to explore
full of sharks
17
Mount Vesuvius, which destroyed Pompeii, is an example of what type of volcano?
Shield
Pahoehoe
Cinder
Composite
18
What is it called when a volcano is not active?
dormant
secondary
disruptive
sleeping
19
What is a tsunami?
An earthquake underwater
An earthquake which creates a whirlpool
An earthquake which topples buildings
An earthquake underground
20
Intrusive rocks are formed when
magma cools beneath the surface of the earth
lava cools above ground
frost wedging separates a rock into two
sediments accumulate and compact in between two other rocks
21
the Mid-Atlantic Ridge is an example of
sea floor spreading
glacier frost wedging
volcanic interactions
hot spots
22
What is rock made from?
dust
minerals
fire
crystals
23
The high point of the folded rock is called the
thrust fault
anticline
syncline
peak
24
What scale measures the impact of earthquakes?
Mohs scale
Richard scale
Newton scale
Richter scale
25
What city in Alberta is situated around the oil sands?
Fort Macleod
Fort McMurray
Leduc
Edmonton
26
What is the most common type of mountain formation?
accordion mountains
thrust faulting
fault block mountains
fold mountains
27
Which is NOT a method of fossilization/preservation
Tar
Amber
Ice
Clay
28
Preserved organisms can be classified as
coperlite
trace remains
petrified remains
original remains
29
If the film Jurassic Park 2 Stegosaurus's are seen. Why is this inaccurate?
Stegosaurus's walked on their hind legs
Stegosaurus's were from the Triassic period
Stegosaurus's were from the Paleozoic era
Stegosaurus's were not that big
30
Which mineral is the hardest?
fluorite
apatite
gypsum
topaz
31
Alfred Wegener came up with which theory?
continental drift
mid-Atlantic rift
evolution
erosion
32
Glaciers, gravity, wind and water are agents of what?
continental drift
the rock cycle
erosion
mineral formation
33
What form of petroleum is found in the oil sands?
natural gas
oil
coal
bitumen
34
What is an example of the biological evidence for continental drift?
similar fossils were found on separate continents
climate evidence based on coal deposits in unlikely places
formation of continents which seemingly "fit" together
similar rocks from mountains were found on other continents
35
Which mineral is considered to be the softest?
diamond
calcite
emerald
talc
36
When two plates collide and one is shoved under the other, it is called
subduction zone
composite collision
convection crater
trench warefare
37
Which is an example of Mechanical Weathering
a plant root growing between a rock
moss growing on the side of a rock
acid rain
rocks rolling down a slope
38
what is sonar
electrocardiogram device
self contained breathing apparatus
underwater sound wave technology
silent cartography
39
An opening in a volcano is called a
vent
top
dormant
hole
40
The theory of plate tectonics labels plates which push against each other as
divergent
convergent
allegiant
insurgent
41
Most volcanoes in the Ring of Fire occur at
divergent plates
hot spots
focus points
subduction zones
42
Which layer of the earth is the first one under the crust?
inner core
outer core
lower mantle
upper mantle
43
According to The Mohs Hardness Scale, 8.0 is the highest on the scale
True
False
44
Which layer of the earth is liquid?
crust
outer core
inner core
mantle
45
Which type of fault creates the deepest earthquakes?
Reverse fault
Transform fault
Normal fault
Alaskan fault
46
How can we tell which mountains are "young"?
They are taller
They jagged
They are smoother
They are colder
