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2015 SOL Review Part 1 Of 2
Test Description: SOL Review for 8th grade science students
Instructions: Answer all questions to get your test result.
1) Sea anemones are poisonous. However, the clownfish has developed an outer layer of mucus which provides protection from the stinging cells of the sea anemone. The mucus is best described as —
A
a relationship
B
an adaptation
C
an energy requirement
D
a social heirarchy
2) Hurricanes form in tropical waters between 8 and 20 degrees north and south of the equator. Hurricanes rarely form at higher latitudes because the water is too —
A
deep
B
cold
C
warm
D
shallow
3) A metal spoon was placed in a dish of ice cream and became cool. Which correctly describes the heat transfer process that resulted in the cooling of the spoon?
A
Conduction, because the spoon was in contact with the cold ice cream
B
Conduction, because cold air currents affected the temperature of the spoon
C
Convection, because cold air currents affected the temperature of the spoon
D
Convection, because the spoon was in contact with the cold ice cream
4) Students performed several trials using the laboratory setup shown. Students were also given this hypothesis: If friction increases, then the rolling distance of a marble will decrease. What should be changed to best test this hypothesis?
A
Height of the ramp and roughness of the ramp surface
B
Height of the ramp
C
Roughness of the ramp surface
D
Height and length of the ramp
5) A student recorded the temperature of an aquarium each hour for 8 hours. Which of these will best display the data the student collected?
A
Circle Graph
B
Picture Graph
C
Bar graph
D
Line Graph
6) A cold air mass moves underneath a warm air mass causing the warm air to rise and replacing it. This event can best be identified as —
A
an occluded front
B
a stationary front
C
a cold front
D
a warm front
7) Which body of water is often protected naturally from storms by barrier islands and also contains a mixture of fresh water and salt water?
A
Lake
B
Estuary
C
Pond
D
Ocean
8) Which is the correct conversion?
A
1 km - 1,000 m and 1 m = 100 mm
B
1 km = 1,000 m and 1 m = 100 cm
C
1 km = 1,000 cm and 1 m = 100 mm
D
1 km = 1,000 mm and 1 m = 100 cm
9) A student measured the power of a motor operating at different temperatures. The student recorded a total of 11 measurements, one at each 2 degree interval between 10°C and 30°C. Which change in the procedure would improve the validity of the test?
A
Increasing the number of variables
B
Repeating the experiment several times
C
Producing a graph of numerical observations
D
Decreasing the range of the independent variable
10) Which of these has the strongest gravitational field?
A
Jupiter
B
Earth
C
Sun
D
Saturn
11) Which is the result of using a more powerful motor to run an elevator?
A
The same amount of time is needed to move the same distance.
B
The same amount of work is done in less time.
C
Less work is done in the same amount of time.
D
A longer time is needed to move a shorter distance.
12) A major scientific concern over nuclear energy is how to —
A
prevent the depletion of the ozone layer
B
store the waste products safely
C
deal with the large amounts of fossil fuels required
D
reduce the high levels of carbon dioxide emitted into the air
13) Which answer puts the steps for cloud formation in the correct order?
A
Water vapor cools -NEXT- water condenses -NEXT- Liquid Water Evaporates -NEXT- Warm water vapor rises
B
Water condenses -NEXT- liquid water evaporates -NEXT- Warm water vapor rises -NEXT- Water vapor cools
C
Liquid water evaporates -NEXT- Water vapor cools -NEXT- Warm water vapor rises -NEXT- Water condenses
D
Liquid Water Evaporates -NEXT- Warm water vapor rises -NEXT- Water vapor cools -NEXT- water condenses
14) Why is water known as the universal solvent?
A
It dissolves all known substances.
B
It dissolves the greatest number of substances.
C
It dissolves substances faster than all other solvents.
D
It dissolves only solid substances.
15) Which of these has been improved by genetic engineering?
A
Reduced number of pollinating insects
B
Resistance of corn plants to insects
C
Visibility of insects to predators
D
Growth of insects in cornfields
16) Which action will most reduce the use of nonrenewable energy resources in a school district?
A
Recycling worksheets and other paper products
B
Replacing current lighting with more efficient lighting
C
Limiting the sweeping and mopping of classrooms to once a month
D
Installing low-flow faucets and toilets
17) Sound waves are unable to travel through —
A
air
B
a rock
C
a vacuum
D
water
18) Which of these properties of an unknown liquid can be found using a beaker, a hot plate, and a temperature probe?
A
Density
B
Chemical Composition
C
Oxygen Level
D
Boiling Point
19) Which answer CORRECTLY places the terms in order from simplest level of organization to most complex?
A
Cell -TO- Organ -TO- Tissue -TO- Organ System
B
Tissue -TO- Cell -TO- Organ System -TO- Organ
C
Organ System -TO- Organ -TO- Tissue -TO- Cell
D
Cell -TO- Tissue -TO- Organ -TO- Organ System
20) A group of campers travels to a cabin which has no electrical power. In order to provide the power for a heater and lights, which device would be appropriate?
A
A resistor
B
A generator
C
A voltmeter
D
An insulator
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