Name: 
 

2003 8th Science SOL



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 


2003_sci8_sol_files/i0020000.jpg

The picture shows dinosaur tracks found in rocks. How many dinosaurs left their tracks here?
a.
2
c.
14
b.
4
d.
24
 

 2. 

Which of these best completes the statement about the interaction of the respiratory system with the circulatory system? The lungs add -
a.
nutrients tothe blood
c.
oxygen to the blooc
b.
bile to the blood
d.
carbon dioxide to the blood
 

 3. 

Which of these will cause water to change to ice?
a.
Removing heat from the water
c.
Adding salt to the water
b.
Stirring the water
d.
Putting the water in the sunlight
 

 4. 


2003_sci8_sol_files/i0050000.jpg

Crickets chirp to attract other crickets. The temperatures and rates of their chirping are graphed above. Which statement below is most likely true for the data represented in the graph?
a.
The cooler the temperature, the louder the crickets chirp.
c.
The warmer the temperature, the more often crickets chirp.
b.
The crickets cannot chirp at temperatures lower than 10º C.
d.
The temperature and the chirping of crickets are not related.
 

 5. 


2003_sci8_sol_files/i0060000.jpg

Which of the following elements belongs to the family indicated?
a.
Nitrogen blongs to the halogen family.
c.
Calcium belongs to the alkali family.
b.
Helium belongs to the noble gas family.
d.
Sodium belongs to the alkaline earth family.
 

 6. 


2003_sci8_sol_files/i0070000.jpg

Lemmings are small mammals that experience a population explosion about once every four years. Snowy owls eat lemmings. Which of these statements is supported by the data in this graph?
a.
The snowy owls are becoming extinct.
c.
The habitat of the lemmings is continuously decreasing in size.
b.
Lemmings live much longer than snowy owls.
d.
The snowy owl population increases because of an increase in lemmings.
 

 7. 

Which of these has the greatest number of different simple machines?
2003_sci8_sol_files/i0080000.jpg




a.
Example A
c.
Example C
b.
Example B
d.
Example D
 

 8. 

The atom is composed of electrons, protons, and neutron. What is the electric charge on the neutron?
a.
-1
c.
0
b.
+1
d.
+2
 

 9. 

A tick that feeds on the blood of animals is a -
a.
predator
c.
competitor
b.
host
d.
parasite
 

 10. 

The distance between one point on a compression and the corresponding point on the next compression in a sound wave is called a -
a.
wavelength
c.
crest
b.
rarefaction
d.
trough
 

 11. 

Which of the following do typical plant cells have that typical animal cells do not?
a.
Cytoplasm
c.
Mitochondria
b.
Nuclei
d.
Chloroplasts
 

 12. 


2003_sci8_sol_files/i0130000.jpg

What is the mass of the rock?
a.
335.6 g
c.
354.6 g
b.
350.6 g
d.
356.0 g
 

 13. 


2003_sci8_sol_files/i0140000.jpg

The picture shows the results of putting a drop of orange ink from a marking pen on a piece of filter paper and allowing the colors in the ink to separate. About how much farther on the filter paper has the yellow pigment moved than the red pigment?
a.
0.5 cm
c.
2.7 cm
b.
1.6 cm
d.
3.5 cm
 

 14. 

The kangaroo rat is able to get all of the water it needs through its food and, therefore, never needs to drink liquids. This animal has adapted to survive in which biome?
a.
Forest
c.
Desert
b.
Tundra
d.
Grassland
 

 15. 

The science of astronomy is concerned with the observation and analysis of the movements of celestial objects. The invention of which instrument was most helpful to the advancement of astronomy?
a.
Telescope
c.
Camera
b.
Microscope
d.
Geiger counter
 

 16. 

There are many reasons why the use of oil needs to be managed carefully. Which of the following is not one of these reasons?
a.
There are only limited supplies of oil in the Earth.
c.
Burning oil contributes to acid rain and the greenhouse effect.
b.
Oil spills at sea have killed many marine animals.
d.
Oil was created by plants and animals.
 

 17. 

Several centures ago, men called alchemists tried to transform common metals into gold. Even though they tried many different chemical and physical methods, they never uscceeded because -
a.
they could not heat common metals to extremely high temperatures
c.
they did not add the correct material to the comjon metal
b.
the common metals they worked with were not pure
d.
elements cannot be changed to other elements by physical or chemical means
 

 18. 


2003_sci8_sol_files/i0190000.jpg

The chart shows the results of an experiment to test the effects of different plant lights on plant seedling growth. Which group of plants showed the greatest gain in height?
a.
Group 1
c.
Group 3
b.
Group 2
d.
Group 4
 

 19. 

Mercury is a liquie metal that is used in many thermometers. The mercury in the thermometer rises because it -
a.
is sucked upward by vacuum
c.
is compressed by air pressure
b.
expands when heated
d.
increases in density when heated
 

 20. 

Which of these could cause a decrease in the number of squirrels in a population?
a.
An increase in cooperation with birds in the area
c.
An increase in competition with other nut-eating animals
b.
An increase in the squirrels’ territory
d.
An increase in the squirrels’ food supply
 

 21. 


2003_sci8_sol_files/i0220000.jpg

The picture represents five red blood cells seen through a microscape. The lines represent a scale also visible through the microscope. Each division on the scale represents one micrometer. Use the scale to estimate the diameter of the average red blood cell.
a.
4-5 micrometers
c.
10-11 micrometers
b.
7-8 micrometers
d.
12-13 micrometers
 

 22. 

Which level of organization below is the most basic or primary level of organization?
a.
Cell
c.
Organ
b.
Tissue
d.
Organ system
 

 23. 

Eellen noticed that she often sneezes when she visits her friend Robert, who has a cat and a parrot. Ellen wonders if she may have allergies to Robert’s pets and decides to conduct a scientific investigation. What should Ellen do next?
a.
Ellen should tell Robert that she cannot visit him until he gives away his pets.
c.
Ellen should call her doctor and insist that she needs shots for allergies.
b.
Ellen should visit Sue who has a horse, a dog, a goldfish, and a hamster.
d.
Ellen should visit a friend who has only cats and one who has only parrots.
 

 24. 

Because burning fossil fuels creates much pollution, alternatives are being investigated. What might limit the use of wind as a major energy source?
a.
The strength of the wind varies.
c.
Turbines and generators in the wind machines create electricity.
b.
Wind machines have huge blades to capture the wind.
d.
Wind power does not create pollution.
 

 25. 

Sponges are classified as animals because they cannot -
a.
move from place to place
c.
get rid of waste products
b.
make their own food
d.
catch their own food
 

 26. 


2003_sci8_sol_files/i0270000.jpg

Which of the following is shown in ths diagram?
a.
Alternatinc current
c.
Series circuit
b.
Short Circuit
d.
Parallel circuit
 

 27. 

Which of the following is a physical property of copper?
a.
Ductile, can be drawn into wire
c.
Readily reacts with water to form an acid
b.
Liquid at room temperature
d.
Readily reacts with oxygen
 

 28. 

Northern garter snakes exhibit a unique behavior in whch they gather in deep dens by the hundereds or thousands. They tehn coil together in a huge ball. This behavior could help to -
a.
reduce heat loss
c.
locate food sources
b.
increase camouflage
d.
increase oxygen consumption
 

 29. 

When plants perform photosynthesis, they use sunlight to produce food. This is an example of light energy being converted to -
a.
heat energy
c.
mechanical energy
b.
electrical energy
d.
chemical energy
 

 30. 


2003_sci8_sol_files/i0310000.jpg

Scientists have spent many yars studying the peppered moth, which is a species that has adapted its color from light to dark in reaction to environmental pollution. Which of the following line graphs represents the data from the table?

a.
2003_sci8_sol_files/i0310001.jpg
c.
2003_sci8_sol_files/i0310002.jpg
b.
2003_sci8_sol_files/i0310003.jpg
d.
2003_sci8_sol_files/i0310004.jpg
 

 31. 

Mendel’s early work with pea plants demonstrated a significant genetic discoverey The crossing of homozygous tall pea plants with homozygous short pea plants always resulted in tall plants and demonstrated that talness in pea plants is a trait that is -
a.
The local newspaper
c.
A physics textbook
b.
A chemical encyclopedia
d.
Scientific periodical
 

 32. 


2003_sci8_sol_files/i0330000.jpg

At shich of these points is it 12:00 noon?
a.
1
c.
3
b.
2
d.
4
 

 33. 

Which of the following is an example of kinetic energy?
a.
A baseball moving from the pitcher to the catcher
c.
A pendulum at the top of its swing
b.
A rock sitting on the top of a large hill
d.
A new flashlight battery
 

 34. 

Many scientists believe that nuclear fusion will become a possible energy source within the next 10 years. What resource would be most effective in tracking the progress of this energy source?
a.
The local newspaper
c.
A physics textbook
b.
A chemical encyclopedia
d.
Scientific periodical
 

 35. 


2003_sci8_sol_files/i0360000.jpg
Objects with like charges repel and unlike charges attract. The girl’s hair and the comb have -
a.
unlike charges
c.
neutral charges
b.
like charges
d.
no charges
 

 36. 


2003_sci8_sol_files/i0370000.jpg
The loss of which of these woul dhave the least effect on the water cycle?
a.
Soil
c.
Animals
b.
Rivers
d.
Plants
 

 37. 

Which of these processes helps extract energy from food?
a.
Reproduction
c.
Excretion
b.
Digestion
d.
Circulation
 

 38. 

Which of these is a change in chemical composition?
a.
A lake freezes solid.
c.
A copper bar is rolled into a flat sheet.
b.
Gravel, sand, and water are mixed.
d.
Vinegar bubbles when baking soda is added.
 

 39. 


2003_sci8_sol_files/i0400000.jpg
The picture shows a test for non-slip surfaces to be used on a ramp. Which of these must be done to provide more meaningful results?
a.
Use the same shoe on each surface
c.
Use the same show size for each type of shoe
b.
Use boards of the same thickness
d.
Use shoes with soles designed for sports
 

 40. 


2003_sci8_sol_files/i0410000.jpg
According to this chart, which planet will most likely have the highest temperatures?
a.
Earth
c.
Mercury
b.
Mars
d.
Venus
 

 41. 


2003_sci8_sol_files/i0420000.jpg
At which point is the magnetic field the strongest?
a.
Point 1
c.
Point 3
b.
Point 2
d.
Point 4
 

 42. 


2003_sci8_sol_files/i0430000.jpg
The picture above illustrates the habitat of a population of animals and its distance from the nearest water source. How far does an animal have to travel to obtain water?
a.
6 centimeters
c.
50 meters
b.
12 meters
d.
300 meters
 

 43. 


2003_sci8_sol_files/i0440000.jpg
According to this diagram, both of these fish -
a.
eat bacteria
c.
take in minerals through their gills
b.
give off toxic wastes
d.
get their energy from other animals
 

 44. 

Most of the hereditary information within the cell is carried in the -
a.
ribosomes
c.
chromosomes
b.
vacuoles
d.
Golgi bodies
 

 45. 

The time in which Earth makes one revolution around the sun is approximately on -
a.
year
c.
month
b.
season
d.
day
 

 46. 

Which picture illustrates the structure of a molecule of water?
2003_sci8_sol_files/i0470000.jpg
a.
Example F
c.
Example H
b.
Example G
d.
Example J
 

 47. 


2003_sci8_sol_files/i0480000.jpg
These birds all live in Virginia. One of the bird’s main sources of food is the nectar inside long, trumpet-shaped flowers. A second bird eats mostly rodents. The third bird often is seen pecking into the bark of the local tress to get the insects just inside. Which of the following lists has correcy mitached the pictured birds with their diets?
a.
Ruby-throated Hummingbird-nectar; Red-tailed Hawk-insects; Yellow-bellied Sapsucker-rodents
c.
Ruby-throated Hummingbird-rodents; Red-tailed Hawk-nectar; Yellow-bellied Sapsucker-insects
b.
Ruby-throated Hummingbird-insects; Red-tailed Hawk-nectar; Yellow-bellied Sapsucker-rodents
d.
Ruby-throated Hummingbird-nectar; Red-tailed Hawk-rodents; Yellow-bellied Sapsucker-insects.
 

 48. 


2003_sci8_sol_files/i0490000.jpg
Which of these elements has an atomic number of 14?
a.
N
c.
Si
b.
Al
d.
P
 

 49. 

In which biome would you find the most variety of life?
a.
Tundra
c.
Grassland
b.
Desert
d.
Rain forest
 

 50. 

Tearing paper is an example of a -
a.
physical change
c.
chemical reaction
b.
chemical change
d.
solution
 



 
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