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8th Grade Science Review Flashcards | StudBud
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8th Grade Science Review
8th Grade Science Review
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#ohio #8thgrade #science #review #eoy
Flashcards
27 cards
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Questions
27
Answers
1
How do we know about the interior of the Earth?
All of the above
Scientist drill down to center of the Earth
Scientist study seismic waves
use a telescope
2
Which process below formed the arch shown in the figure?
precipitation
volcanism
erosion
deposition
3
What evidence supports sea floor spreading?
relative age of rocks & reversal of magnetic pole(polarity)
fossils
relative age of rocks & temperature difference
reversal of electrical forces
4
Which diagram has the greatest net force?
b
a
c
d
5
The part of the Earth's mantle that has the ability to "flow" and move Earth's plates
Lithosphere
asthenosphere
mantle
Crust
6
Which geographic feature will you find at a continental-continental convergent plate boundary?
deep sea trenches
mid-ocean ridge
rift zone
mountains
7
Where does erosion occur the most?
end of river
outside of curve(meander)
inside of curve (meander)
same all over
8
Which did NOT provide evidence of continental drift?
Fossils
glacial deposits
current plant life
land features
9
Which labeled point on this map has the highest elevation?
Y
B
X
A
10
The passing on of traits from parents to offspring is called?
heredity
hybrid
hand me downs
purebred
11
Which process produces the plants' sex cells & which type of reproduction.
mitosis; sexual reproduction
mitosis; asexual reproduction
meiosis; sexual reproduction
meiosis; asexual reproduction
12
What statement best describes what happens to a fluid when its temperature increases
density increases
density decreases
Nothing
the Earth stops rotating
13
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
14
A resistance to change in motion is
acceleration
gravity
velocity
interia
15
Which layer is older?
A
D
F
16
What are tectonic plates?
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
large, slowly moving pieces of Earth’s asthenosphere
17
Unbalanced forces result in the net force of zero
false
true
18
Which genotype is heterozygous?
tt and TT
Tt
TT
tt
19
How does a sex cell differ from a body cell?
sex cell has the same number of chromosomes as 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
20
Explain density & temperature at point 1
less dense and cool( heating up)
more dense and cool(heating up)
more dense and hot(getting ready to cool)
less dense and hot(getting ready to cool)
21
What landform is created from a convergent subduction boundary?
all the above
trench
fault
rift valley
22
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
the greenhouse effect
seismic waves and sun
23
During 2003, the number of earthquakes occurring were higher than usual. Where were the most?
along the edges of the Pacific Ocean
along the edges of the Atlantic Ocean
within the ocean basins
within the continental landmasses
24
What process does a multi-cellular organism use to replace its damaged body cells?
Mitosis
Replication
Meiosis
Transcription
25
Mountain ranges become lower and more rounded over time. What is responsible for this change?
collisions between continental plates
deposition
movement of continents
weathering and erosion
26
Landslides, and rockfalls are examples of erosion and deposition by which agent of erosion?
Gravity
Wind
Solar energy
Oxidation
27
A chart that shows possible combinations of alleles that can result from a genetic cross?
Data Table
Pascal Triangle
Purebred Cross
punnett square
