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