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8th Grade Second Semester Science Exam
At what lettered position of Earth does New York 
State experience the first day of summer?
A
C
B
D
How does parasitism differ from predation?
B
C
D
A
Which season is beginning in Texas on the day 
represented in the diagram?
A
B
C
D
D
B
C
A
What is the evidence that a chemical 
reaction occurred?
A
Which two organisms could have a predator 
prey relationship?
B
C
D
B
C
A
D
How many atoms are found in one molecule of
sulfuric acid?
In which orbital position would Earth be 
illuminated as shown?
D
B
C
A
On what day would you predict a full moon?
A
C
B
D
A
D
C
The organisms at the highest trophic level 
of a food web ________.
B
C
B
D
Which phase of the moon will the observer see 
when the moon is at the position shown in it's orbit?
A
A
C
D
B
In a grassland, when tall grasses shade out short, 
shade-intolerant species, ecologists call 
this interaction __________.
D
C
A
B
Which of these would be the best conclusion based 
on the data in the table?
C
D
What would best explain the decrease in the 
effectiveness of the pesticide?
A
B
Which diagram correctly represents the positions 
of the Sun, Earth, and Moon in space during a 
solar eclipse?
B
C
A
D
Which of the following would most likely have a 
negative impact on ocean systems?
A
C
D
B
The minimum numbers of trophic levels in a food 
chain ending with killer whales is?
A
C
B
D
The mosquito population included in this food 
web could be reduced by _____ .
D
C
A
B
Using the map shown above, what best explains the milder weather in City Y?
A
B
C
D
How many atoms of oxygen are found in Iron sulfate?
B
C
A
D
C
Which diagram shows how the flow of air creates 
wind near the ocean during the day?
A
D
B
B
D
C
Which observation would provide the best evidence 
that a chemical reaction occurred?
A
How does a balanced equation satisfy the 
Law of Conservation of Mass?
C
B
A
D
Which of these describes a likely result of this 
pollution?
A
B
D
C
Which best explains why a pyramid is used to 
represent energy flow within an ecosystem?
A
B
C
D
Which vehicle has the greatest acceleration as it
enters the highway?
A
B
C
D
What observation would indicate that a chemical 
reaction is taking place in the test tubes?
B
D
A
C
Select the term that is most closely associated 
with the following relationship:
C
D
B
A
Which diagram best represents the organisms 
arranged as an energy pyramid?
B
C
A
D
What weather condition would most likely occur 
along both fronts?
C
A
B
D
Which of the above compounds have the formula 
of C2H6O?
A
B
C
D
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