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Duplicate of Science 7 Planet Earth Flashcards | StudBud
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Duplicate of Science 7 Planet Earth
Duplicate of Science 7 Planet Earth
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Planet Earth Unit Review
Flashcards
32 cards
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Practice quiz
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Questions
32
Answers
1
The theory of plate tectonics labels plates which push against each other as
insurgent
divergent
allegiant
convergent
2
the Mid-Atlantic Ridge is an example of
hot spots
glacier frost wedging
volcanic interactions
sea floor spreading
3
What scale measures the impact of earthquakes?
Richter scale
Newton scale
Richard scale
Mohs scale
4
Which of the following is not part of a seismograph
weight
pen
scale
drum
5
Which of the following is NOT a type of seismic wave?
Focus wave
Secondary wave
Surface wave
Primary wave
6
Which is an example of Mechanical Weathering
acid rain
rocks rolling down a slope
a plant root growing between a rock
moss growing on the side of a rock
7
Which layer of the earth is the first one under the crust?
outer core
upper mantle
inner core
lower mantle
8
What is it called when a volcano is not active?
disruptive
secondary
dormant
sleeping
9
Which magnitude of an earthquake is the most powerful
7.4
6.9
6.7
7.6
10
Which mineral is the hardest?
topaz
fluorite
gypsum
apatite
11
What is a tsunami?
An earthquake underwater
An earthquake which topples buildings
An earthquake underground
An earthquake which creates a whirlpool
12
Glaciers, gravity, wind and water are agents of what?
mineral formation
the rock cycle
continental drift
erosion
13
What is the Ring of Fire
A song by Johnny Carson
The outline of the Pacific plate where volcanoes are active
The bitter rival of the Bermuda Triangle
The outline of the Atlantic plate where volcanoes are active
14
What is an example of the biological evidence for continental drift?
formation of continents which seemingly "fit" together
similar fossils were found on separate continents
similar rocks from mountains were found on other continents
climate evidence based on coal deposits in unlikely places
15
What is rock made from?
minerals
dust
crystals
fire
16
Which type of rock family is formed from heat and pressure?
Igneous
Metamorphic
Sedimentary
17
Alfred Wegener came up with which theory?
evolution
erosion
continental drift
mid-Atlantic rift
18
Intrusive rocks are formed when
sediments accumulate and compact in between two other rocks
frost wedging separates a rock into two
magma cools beneath the surface of the earth
lava cools above ground
19
According to The Mohs Hardness Scale, 8.0 is the highest on the scale
True
False
20
The surface location directly above the focus of an earthquake is called the
origin
mantle
epicenter
source
21
Which is not a rock family?
igneous
metamorphic
limestone
sedimentary
22
Which mineral is considered to be the softest?
emerald
diamond
talc
calcite
23
what is sonar?
electrocardiogram device
silent cartography
underwater sound wave technology
self contained breathing apparatus
24
When two plates collide and one is shoved under the other, it is called
convection crater
composite collision
subduction zone
trench warefare
25
Which is not used for mineral classification?
colour
weight
lustre
fracture
26
Which type of fault creates the deepest earthquakes?
Normal fault
Alaskan fault
Reverse fault
Transform fault
27
An opening in a volcano is called a
top
hole
dormant
vent
28
Which layer of the earth is liquid?
inner core
mantle
outer core
crust
29
What is the most common type of mountain formation?
accordion mountains
thrust faulting
fault block mountains
fold mountains
30
Most volcanoes in the Ring of Fire occur at
divergent plates
focus points
hot spots
subduction zones
31
Geologists think that tectonic plates are able to move because of
gravitational pull from the moon
convection currents
hot spots
divergent plates
32
Which mineral is hardest?
apatite
talc
gypsum
quartz
