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Semester 1 Review Science 7 2016 Flashcards | StudBud
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Semester 1 Review Science 7 2016
Semester 1 Review Science 7 2016
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Earth Science - 7th grade #middleschoolscience #earthscience #7thgrade
Flashcards
57 cards
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Answers
1
What type of seismic wave could not pass through liquid, proving outer core must be a liquid?
Primary
Secondary
Surface
Love
2
What did Alfred Wegener notice about the coastlines of the continents?
the coastlines were straight
none were similar
they fit like a jig saw puzzle
they were mismatched
3
Mid-ocean ridges form at this type of boundary?
divergent
transform
convergent
4
What kind of rocks contain almost all fossils?
sedimentary
igneous
molten
metamorphic
5
After you form a hypothesis, you should
analyze data from the experiment
draw conclusions about the results
research background info on the topic
test it by performing an experiment
6
Folded mountains form at a convergent boundary where these types of plates meet?
2 oceanic plates
2 continental plates
1 oceanic, 1 continental
7
This movement of the ground is caused by the sudden release of stress built up along a fault
convection currents
volcano
earthquake
seafloor spreading
8
a conclusion that is skewed because of one's personal beliefs shows this
theory
bias
hypothesis
prediction
9
When should you wear goggles?
heating glassware
using chemicals
using anything that spaltters
all of the above
10
what you are testing in an experiment
experimental variable
independent variable
control variable
dependent variable
11
The discovery of this helped prove that the plates, not continents, were moving
convection currents
volcanoes
earthquakes
seafloor spreading
12
This layer is where convection currents cause very slow movement due to heat rising
Outer Core
Inner Core
Mantle
Crust
13
How many oceans do scientists believe came in & out of the area where the Grand Canyon is today
8
3
47
100
14
All accidents in the science lab should be immediately reported to
the principal
the nurse
the teacher
a friend
15
where is the least seismic risk?
near volcanoes
away from oceans
near plate boundaries
away from plate boundaries
16
Coastal mountains form at a convergent boundary where these types of plates meet?
2 continental plates
2 oceanic plates
1 oceanic, 1 continental
17
What type of volcano is helpful in tracking the direction the Pacific plate is moving?
Hot spot
Volcanic Island Arc
coastal volcano
Mid-Ocean Ridge
18
used to measure length of an object
triple beam balance
graduated cylinder
ruler
thermometer
19
Why are rocks classified into 3 categories?
they form differently
they look different
they feel different
they smell different
20
a proposed solution to a scientific problem that is tested in an experiment
theory
bias
hypothesis
prediction
21
Sedimentary rock forms from
compaction&cementation
erosion
heat&pressure
cooling
22
Where is new crust being made?
rift valley & mid-ocean ridge
in the outer core
in the inner core
trench in a subduction zone
23
This process breaks down rock into smaller pieces
weathering
floods
deposition
erosion
24
The San Andrea in Cali is what type of plate boundary & what type of fault?
convergent & reverse fault
divergent & normal fault
transform & strike-slip fault
25
Mohs Scale will help you determine a mineral's
hardness
luster
cleavage
streak
26
Trenches form at a convergent boundary when?
2 continental plates collide
an oceanic plate sinks
plates scrape past eachother
27
a conclusion or statement that summarizes a natural phenomenon supported by evidence
prediction
hypothesis
theory
bias
28
Metamorphic rock forms when existing rocks are put under
heat&pressure
erosion
compaction&cementation
cooling
29
What type of fossils are found in the Grand Canyon?
sea creatures
dinosaurs
mammoths
tropical plants
30
Large crystals in igneous rock form underground because
the lava cools quickly
the lava cools slow
the magma cools quickly
the magma cools slow
31
To make an assumption or judgement based on evidence although it's not directly observed
reasoning
inference
observation
theory
32
A rift valley tears the crust open at what type of boundary?
divergent
transform
convergent
33
What does the Richter Scale measure?
damage
ground movement
intensity
magnitude
34
Where is the oldest layer of rock in the Grand Canyon?
at the top
they're all the same
at the bottom
in the middle
35
This is defined as the soft, weak rock in the upper mantle
lithosphere
asthenosphere
atmosphere
mesosphere
36
used to measure temperature
thermometer
ruler
triple beam balance
graduated cylinder
37
Using the chain of Hawaiian Islands as a guide, what direction is the Pacific Plate moving?
NW
SW
SE
NE
38
This layer (aka lithosphere) is broken into tectonic plates
Crust
Inner Core
Mantle
Outer Core
39
This layer is the densest & is solid iron due to enormous pressure
Outer Core
Inner Core
Mantle
Crust
40
The variables you want to keep the same to ensure results are due to what's being tested
dependent variable
controlled variables
independent variable
experimental variables
41
used to measure liquid volume
thermometer
ruler
triple beam balance
graduated cylinder
42
This process is when sediment is dropped in a new location
weathering
deposition
floods
erosion
43
This process moves sediment from one location to another
weathering
floods
erosion
deposition
44
Island arcs (volcanic islands) form at a convergent boundary where these types of plates meet?
1 oceanic, 1 continental
2 continental plates
2 oceanic plates
45
This is done to ensure the data collected is accurate and reliable
research
change hypothesis
repeat more trials
analyze data
46
This process causes very slow change on earth like carving of canyons & widening of rivers
volcanoes
floods
earthquakes
weathering & erosion
47
used to measure mass of an object
thermometer
graduated cylinder
balance or scale
ruler or meter stick
48
What does a seismograph detect?
airplanes
tsunmais
tornadoes
ground movement
49
Most occur near plate boundaries
hurricanes & fires
avalanches & blizzards
earthquakes & volcanoes
asteroid impacts & tsunamis
50
Igneous rock forms from magma or lava doing this
cooling
erosion
compaction&cementation
heat&pressure
51
The variable you measure or count in an experiment (outcome)
experimental variable
dependent variable
control variable
independent variable
52
This substance is usually made of 2 or more minerals
vitamins
dirt
rocks
vegetables
53
How a mineral breaks into flat smooth planes or shapes is referred to as
luster
cleavage
fracture
streak
54
Faults are usually the only feature recognized at what type of plate boundary?
convergent
divergent
transform
55
Where is old crust being destroyed or recycled?
rift valley or mid-ocean ridge
in the inner core
inside the outer core
at a trench in a subduction zone
56
Index fossils must fit what criteria?
all of the above
common species when alive
are now extinct
lived worldwide
57
A delta forms as a result of sediment from the river being dropped into the ocean
floods
deposition
erosion
weathering
