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8th Science State Test Review 1 Flashcards | StudBud
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8th Science State Test Review 1
8th Science State Test Review 1
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questions review concepts from 6th-8th grade for State Test
Flashcards
46 cards
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Questions
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Answers
1
Which
two
organisms get their energy directly from
sunlight
?
grasses and plants
plants and foxes
hawks and snakes
frogs and grasses
2
Which graph best represents the # of chromosomes a human sperm and egg before they unite?
Graph 4
Graph 1
Graph 2
Graph 3
3
What is one function of a
decomposer
?
hunt consumers
break down nutrients of dead organisms back into the soil
compete with hawks for food
hunter producers
4
At which phase does the bow have the greatest
kinetic
energy?
Phase 2
Phase 3
Phase 4
Phase 1
5
Which statement best supports why
cracks
form in the rock at night?
particles in a solid move fast
Water expands when it freezes
frozen water dissolves most types of rock
the mass of the water increases when it freezes
6
During which phase does the bow/arrow have the greatest
potential
energy?
Phase 2
Phase 4
Phase 3
Phase 1
7
Which location has the
greatest
magnetic force?
Point C
Point D
Point B
Point A
8
One
type of energy
longer
than Microwaves is...
Infrared
Blue Light
Red Light
Radiowaves
9
Which
fertilization
and development method is most typical of humans before birth occurs?
external fertilization and external development
internal fertilization and internal development
internal fertilization and external development
external fertilization and internal development
10
Identify a form of energy, other than light and sound, that is present during a thunderstorm.
elastic energy
hydra energy
heat energy
nuclear energy
11
A rock is placed in a graduated cylinder. It has a volume of 5 mL. The
volume
of the
water
is..
20 mL
25 mL
30 mL
35 mL
12
The diagram represents four processes, that occur when water changes phase. Process B shows...
evaporating
condensing
melting
freezing
13
Heat energy increases as the cart rolls to the right due to...
potential energy
gravity
friction
mass
14
Infants will often smile when they hear a parent’s voice. The parent’s voice is a...
adaptation
stimuli
response
resource
15
Which location will enter darkness next as Earth’s rotation continues?
Point A
Point B
Point D
Point C
16
The structure labeled
X
contains DNA. It's called the...
cell wall
cytoplasm
nutrient
nucleus
17
Icebergs are
________
dense than the water it floats in.
equal
more
less
18
What percentage of offspring will have a
straight hairline
(dominant)?
75%
25%
0%
100%
19
Offspring of sexual reproducers will be genetically
__________
to their parents
copies
similar
clones
identical
20
The baking soda in this diagram is an example of...
a solvent
a solution
a solute
21
Cubes A and B are placed on the scale. Compared to material A, material B has a different...
shape
mass
state of matter
density
22
Red is dominant to brown.
What percentage of fox offspring will have
brown fur?
25%
75%
50%
100%
23
The least
amount of hours
a person needs to
watch TV
to have used more calories than biking is
About 5
About 3
About 10
About 2
24
How many more whales were there in December than February?
220 whales
15 whales
17 whales
35 whales
25
Examine the graph. Which point has the greatest
potential
energy?
Point D
Point C
Point A
Point E
26
Which type of fossil is found in sedimentary rock is the 2nd oldest?
dinosaurs
early horses
armored fish
trilobites
27
The portion boxed in blue represents a...
ecological succession
food chain
metamorphasis
food web
28
This is an example of the human activity called...
asexual reproduction
mutation
genetic engineering
cloning
29
Passengers can tell they are moving by comparing the train to the trees. The trees are good...
boundaries
reference points
motion
speed
30
Is the picture an example of
asexual or sexual
reproduction?
neither
asexual
sexual
31
About how long does it take the earth to
revolve
around the sun?
365 days
1 day
1/2 year
1 century
32
What type of boundary is shown by the arrows between the Arabian and African Plate?
transform
convergent
divergent
slide
33
The image of this bird in the window is the result of light being...
transmitted
reflected
refracted
absorbed
34
If each symbol represents 10 organisms, how much has the square population decreased?
40
30
10
50
35
The main function of structure X in a plant is to...
attract insects
support the plant
produce seeds
protect the plant from disease
36
A penguin's diet consists of squid, krill, and fish. They are classified as...
decomposers
herbivores
carnivores
producers
37
Which form of energy is almost always produced during energy transformations?
potential energy
sound energy
chemical energy
heat energy
38
How many cells should exist in the
fourth
generation?
4
10
8
6
39
Between which two consecutive (in a row) stages did
fertilization
occur?
C and D
A and B
B and C
40
What do the arrows in the diagram represent?
life cycle
flow of energy
food web
ecological succession
41
Which two body systems most directly cause the arm to bend?
skeletal and muscular
reproductive and skeletal
nervous and digestive
reproductive and muscular
42
What type of reproduction is represented in the picture?
genetic engineering
asexual
sexual
transforming
43
Which activity involves only a
physical
change?
grinding coffee
exploding fireworks
baking cookies
acid bubbling on a rock
44
In which layers of the atmosphere does
weather
develop?
troposphere?
thermosphere
mesosphere
stratosphere
45
Which Earth layer contains convection currents are responsible for
movement
of tectonic plates?
mantle
outer core
crust
inner core
46
What is the elevation of Point
X
?
30 meters
0 meters
5 meters
120 meters
