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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
35 cards
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Questions
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Answers
1
What process does a multi-cellular organism use to replace its damaged body cells? ( growth & repair)
Mitosis
Meiosis
Transcription
Replication
2
What evidence supports sea floor spreading?
relative age of rocks & temperature difference
fossils
reversal of magnetic pole(polarity)
relative age of rocks & reversal of magnetic pole(polarity)
3
The passing on of traits from parents to offspring is called?
hybrid
heredity
purebred
hand me downs
4
A chart that shows possible combinations of alleles that can result from a genetic cross?
Purebred Cross
punnett square
Data Table
Pascal Triangle
5
Which layer is older?
A
F
D
6
The part of the Earth's mantle that has the ability to "flow" and move Earth's plates
asthenosphere
Crust
mantle
Lithosphere
7
Which geographic feature will you find at a continental-continental convergent plate boundary?
deep sea trenches
mountains
mid-ocean ridge
rift zone
8
Which process below formed the arch shown in the figure?
erosion
volcanism
deposition
precipitation
9
Which was the most recent event?
Deposition at B
Erosion at E
Intrusion at M
Fault at K
10
If T = tall and t = short, if two heterozgous (Tt) peas are crossed, what genotypes can their offspring have?
Tt only
TT only
TT, Tt, and tt
TT and tt
11
During 2003, the number of earthquakes occurring were higher than usual. Where were the most?
within the ocean basins
along the edges of the Atlantic Ocean
within the continental landmasses
along the edges of the Pacific Ocean
12
Landslides, and rockfalls are examples of erosion and deposition by which agent of erosion?
Gravity
Wind
Solar energy
Oxidation
13
Which diagram has the greatest net force?
c
a
b
d
14
Box A has a mass of 10kg & box B has a mass of 20kg. Same force -which will accelerate slower?
Box B with more mass
Box A with less mass
Neither will accelerate
They accelerate the same
15
What happens to the total energy of a skater as he rolls down the hill?
total energy increase then decreases
total energy stays the same
total energy increases
total energy decreases
16
In this Punnett Square, what percentage of offspring are heterozygous?
50%
100%
75%
25%
17
Explain density & temperature at point 1
more dense and hot(getting ready to cool)
less dense and cool( heating up)
less dense and hot(getting ready to cool)
more dense and cool(heating up)
18
Which labeled point on this map has the highest elevation?
Y
A
X
B
19
Mountain ranges become lower and more rounded over time. What is responsible for this change?
movement of continents
weathering and erosion
collisions between continental plates
deposition
20
Which genotype is heterozygous?
Tt
tt and TT
tt
TT
21
Which stress force pulls on the crust and stretches the rock making it thinner?
shearing
all three
tension
compression
22
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
23
What type of plate boundary is caused by tension?
divergent
transform
all of them
convergent
24
How does a sex cell differ from a body cell?
sex cell dœs not contain chromosomes.
sex cell has 1/2 amount of genetic material as a body cell
sex cell contains double chromosomes
sex cell has the same number of chromosomes as a body cell
25
This process generated heat during Earth’s formation and is still a source of heat inside Earth
radioactive decay and gravity
solar radiation(sun) and gravity
seismic waves and sun
the greenhouse effect
26
Unbalanced forces result in the net force of zero
true
false
27
Which process produces the animal and plants' sex cells & which type of reproduction.
mitosis; sexual reproduction
meiosis; asexual reproduction
meiosis; sexual reproduction
mitosis; asexual reproduction
28
Heterozygous means you are a carrier for a recessive trait
True
False
29
A resistance to change in motion is
velocity
interia
acceleration
gravity
30
What are tectonic plates?
large, slowly moving pieces of Earth’s asthenosphere
large, slowly moving pieces of Earth’s mesosphere
large, slowly moving pieces of Earth’s lithosphere
large, slowly moving pieces of Earth’s outer core
31
Which did NOT provide evidence of continental drift?
glacial deposits
Fossils
land features
current plant life
32
What statement best describes what happens to a fluid when its temperature increases
Nothing
density decreases
the Earth stops rotating
density increases
33
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
34
In a pedigree tree, circles represent
Affected
Females
Males
Normal
35
Where does erosion occur the most?
end of river
inside of curve (meander)
same all over
outside of curve(meander)
