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8th Grade Science AIR Flashcards | StudBud
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8th Grade Science AIR
8th Grade Science AIR
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#ohio #8thgrade #science #review #eoy
Flashcards
34 cards
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Practice quiz
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Questions
34
Answers
1
Mountain ranges become lower and more rounded over time. What is responsible for this change?
movement of continents
deposition
weathering and erosion
collisions between continental plates
2
Which diagram has the greatest net force?
b
d
a
c
3
Unbalanced forces result in the net force of zero
false
true
4
During 2003, the number of earthquakes occurring were higher than usual. Where were the most?
within the continental landmasses
along the edges of the Pacific Ocean
along the edges of the Indian Ocean
within the ocean basins
5
What evidence supports sea floor spreading?
fossils
relative age of rocks & reversal of magnetic pole(polarity)
relative age of rocks & landforms
reversal of magnetic pole(polarity)
6
What type of landforms would you get at a continental-oceanic boundary?
coastal mountains, rift valley
volcanoes, mid-ocean ridge
ocean trench, coastal mountains
ocean trench, mid-ocean ridge
7
Explain density & temperature at point 1
more dense and hot(getting ready to cool)
more dense and cool(heating up)
less dense and cool( heating up)
less dense and hot(getting ready to cool)
8
Which process below formed the arch shown in the figure?
erosion
volcanism
deposition
precipitation
9
Box A has a mass of 10kg & box B has a mass of 20kg. Same force -which will accelerate less?
Box A with less mass
Neither will accelerate
Box B with more mass
They accelerate the same
10
How do we know about the interior layers of the Earth?
Scientist study rock samples from drilling or mining
Straight up guessing
Scientist study seismic waves
All of the above
11
Which layer is older?
H
D
A
F
12
Which geographic feature will you find at a continental-continental convergent plate boundary?
deep sea trenches
mid-ocean ridge
mountains
rift zone
13
Which was the most recent event?
Fault at E
Deposition A
Intrusion at D
Deposition C
14
A yellow morph and green morph of an insect lives in the rainforest canopy. You would expect:
both populations should stay the same
both populations will increase
the green population to increase and the yellow to decrease
the green population to decrease and the yellow to increase
15
What are tectonic plates?
large, slowly moving pieces of Earth’s lithosphere
large, slowly moving pieces of Earth’s asthenosphere
large, slowly moving pieces of Earth’s mesosphere
large, slowly moving pieces of Earth’s outer core
16
Which labeled point on this map has the highest elevation?
B
Y
X
A
17
What happens to the total energy of a skater as he rolls down the hill?
total energy decreases
total energy increase then decreases
total energy stays the same
total energy increases
18
In the following cross, what is the likelihood of the offspring having the recessive trait?
75%
100%
0%
50%
19
A resistance to change in motion is
acceleration
inertia
velocity
gravity
20
Which genotype is heterozygous?
TT
Tt
tt and TT
tt
21
Landslides, and rockfalls are examples of erosion and deposition by which agent of erosion?
Solar energy
Wind
Gravity
Oxidation
22
Where does erosion occur the most?
inside of curve (meander)
same all over
end of river
outside of curve(meander)
23
The part of the Earth's mantle that has the ability to "flow" and move Earth's plates
asthenosphere
mantle
Lithosphere
Crust
24
What type of plate boundary creates this mid atlantic ridge?
convergent
all of them
divergent
transform
25
Codominance: A cross between 2 speckled flowers (RW) would give you which genotypic ratio?
0% RR, 100% RW, 0% WW
25% RR, 50% RW, 25% WW
50% RR, 50% RW, 0% WW
0% RR, 50% RW, 50% WW
26
Which did NOT provide evidence of continental drift?
Fossils
current plant life
glacial deposits
land features
27
How does a sex cell differ from a body cell?
sex cell has 1/2 amount of genetic material as a body cell
sex cell has the same number of chromosomes as a body cell
sex cell dœs not contain chromosomes.
sex cell contains double chromosomes
28
This process generated heat during Earth’s formation and is still a source of heat inside Earth
the greenhouse effect
radioactive decay and gravity
solar radiation(sun) and gravity
seismic waves and sun
29
What type of landform would this be?
rift valley
trench
hanging valley
mid atlantic ridge
30
Which process produces the plants' sex cells & which type of reproduction.
mitosis; sexual reproduction
meiosis; asexual reproduction
meiosis; sexual reproduction
mitosis; asexual reproduction
31
Which is an example of the conversion of kinetic energy into gravitational potential energy?
a car racing around an oval track
a person walking up a hill
a person parachuting out of an airplane
a person skiing down a hill
32
The passing on of traits from parents to offspring is called?
purebred
hand me downs
hybrid
heredity
33
What process does a multi-cellular organism use to replace its damaged body cells?
Replication
Mitosis
Meiosis
Transcription
34
What statement best describes the energy transfer of a cyclist going from the ground to the air
GPE --> mechanical
KE --> GPE
KE --> EPE
GPE --> EPE
