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8th Grade Science AIR 2017 (mix) Flashcards | StudBud
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8th Grade Science AIR 2017 (mix)
8th Grade Science AIR 2017 (mix)
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#ohio #8thgrade #science #review #eoy
Flashcards
32 cards
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Questions
32
Answers
1
Unbalanced forces result in the net force of zero
false
true
2
What process does a multi-cellular organism use to replace its damaged body cells?
Mitosis
Replication
Meiosis
Transcription
3
Which process below formed the arch shown in the figure?
deposition
volcanism
precipitation
erosion
4
What type of plate boundary is caused by tension?
convergent
all of them
transform
divergent
5
Box A has a mass of 10kg & box B has a mass of 20kg. Same force -which will accelerate slower?
Neither will accelerate
Box B with more mass
They accelerate the same
Box A with less mass
6
What statement best describes what happens to a fluid when its temperature increases
density increases
the Earth stops rotating
density decreases
Nothing
7
During 2003, the number of earthquakes occurring were higher than usual. Where were the most?
along the edges of the Pacific Ocean
within the ocean basins
along the edges of the Atlantic Ocean
within the continental landmasses
8
Which labeled point on this map has the highest elevation?
Y
A
X
B
9
What are tectonic plates?
large, slowly moving pieces of Earth’s outer core
large, slowly moving pieces of Earth’s mesosphere
large, slowly moving pieces of Earth’s lithosphere
large, slowly moving pieces of Earth’s asthenosphere
10
Landslides, and rockfalls are examples of erosion and deposition by which agent of erosion?
Solar energy
Wind
Oxidation
Gravity
11
What evidence supports sea floor spreading?
relative age of rocks & reversal of magnetic pole(polarity)
reversal of magnetic pole(polarity)
relative age of rocks & temperature difference
fossils
12
Which diagram has the greatest net force?
d
b
c
a
13
Where does erosion occur the most?
outside of curve(meander)
same all over
end of river
inside of curve (meander)
14
Which process produces the plants' sex cells & which type of reproduction.
mitosis; asexual reproduction
mitosis; sexual reproduction
meiosis; asexual reproduction
meiosis; sexual reproduction
15
How does a sex cell differ from a body cell?
sex cell contains double chromosomes
sex cell has the same number of chromosomes as a body cell
sex cell has 1/2 amount of genetic material as a body cell
sex cell dœs not contain chromosomes.
16
Which stress force pulls on the crust and stretches the rock making it thinner?
shearing
compression
all three
tension
17
Mountain ranges become lower and more rounded over time. What is responsible for this change?
movement of continents
weathering and erosion
deposition
collisions between continental plates
18
Which was the most recent event?
Fault at K
Intrusion at M
Deposition at B
Erosion at E
19
How do we know about the interior of the Earth?
All of the above
Scientist study seismic waves
Scientist study rock samples from drilling or mining
Natural forces bring up rock samples
20
This process generated heat during Earth’s formation and is still a source of heat inside Earth
seismic waves and sun
radioactive decay and gravity
the greenhouse effect
solar radiation(sun) and gravity
21
Which layer is older?
D
A
F
22
A chart that shows possible combinations of alleles that can result from a genetic cross?
Pascal Triangle
Purebred Cross
punnett square
Data Table
23
What type of Plate boundary is associated with a Reverse fault?
Convergent boundary
Transform boundary
Divergent boundary
24
Explain density & temperature at point 1
less dense and hot(getting ready to cool)
less dense and cool( heating up)
more dense and cool(heating up)
more dense and hot(getting ready to cool)
25
Which geographic feature will you find at a continental-continental convergent plate boundary?
rift zone
mid-ocean ridge
mountains
deep sea trenches
26
A resistance to change in motion is
gravity
acceleration
interia
velocity
27
What happens to the total energy of a skater as he rolls down the hill?
total energy stays the same
total energy increase then decreases
total energy increases
total energy decreases
28
Which is an example of the conversion of kinetic energy into gravitational potential energy?
a person walking up a hill
a car racing around an oval track
a person skiing down a hill
a person parachuting out of an airplane
29
The part of the Earth's mantle that has the ability to "flow" and move Earth's plates
mantle
asthenosphere
Lithosphere
Crust
30
The passing on of traits from parents to offspring is called?
hand me downs
hybrid
heredity
purebred
31
Which genotype is heterozygous?
tt and TT
Tt
TT
tt
32
Which did NOT provide evidence of continental drift?
land features
current plant life
glacial deposits
Fossils
