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8th Grade Science EOG Review Part IV
Test Description: Essential Standards 8th Grade Science EOG Review North Carolina
Instructions: Answer all questions to get your test result.
1) Which scenario would best explain how 10 people became sick with the flu after attending a school dance?
A
contact with environmental sources
B
contact with an infected animal
C
contact with a contaminated object
D
contact with an infected person
2) Which is the best way to help prevent the flu from becoming a pandemic?
A
eating fruits and vegetables
B
washing hands often
C
getting a vaccination
D
taking antibiotics
3) Which best explains the importance of nitrogen in the cycling of energy and matter?
A
nitrogen decreases protein production in plants
B
nitrogen increases protein production in plants
C
nitrogen decreases the effectiveness of photosynthesis
D
nitrogen increases the effectiveness of photosynthesis
4) Which is a way the agricultural biotechnology industry could have a positive impact on the environment?
A
by increasing the use of wind farms to produce electricity
B
by making robots to replace large farm machines
C
by reducing the need for countries to import food
D
by producing crops that are virus resistant
5) What will happen to the deer population if wolves that prey on deer for food are removed from the habitat of the deer?
A
the population of deer will remain the same
B
the population of deer will become extinct
C
the population of deer will increase
D
the population of deer will decrease
6) Where do plants get most of the energy they need to live and grow?
A
sunlight
B
soil
C
air
D
water
7) What evidence supports the hypothesis that whales and dolphins evolved from a common ancestor?
A
they live in the same area of the ocean
B
they swim the same way
C
they have similar anatomies
D
they eat the same food
8) What causes the fur of the arctic fox to change color in winter and summer?
A
the fox's genes
B
the fox's habitat
C
the amount of sunlight present
D
the fox's age
9) Which would best allow a species to survive environmental changes?
A
similar physical features
B
low mutation rate
C
genetic diversity
D
small population
10) How would smoking tobacco most likely have a negative impact on the ability of an individual to succeed at physical activities?
A
it decreases stamina and cardiovascular efficiency
B
it decreases the speed and power of muscle contractions
C
it decreases the ability to make decisions rapidly
D
it interferes with balance and coordination
*select an answer for all questions
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