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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 a contaminated object
C
contact with an infected animal
D
contact with an infected person
2) Which is the best way to help prevent the flu from becoming a pandemic?
A
getting a vaccination
B
eating fruits and vegetables
C
taking antibiotics
D
washing hands often
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 increases the effectiveness of photosynthesis
D
nitrogen decreases the effectiveness of photosynthesis
4) Which is a way the agricultural biotechnology industry could have a positive impact on the environment?
A
by making robots to replace large farm machines
B
by producing crops that are virus resistant
C
by reducing the need for countries to import food
D
by increasing the use of wind farms to produce electricity
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 decrease
B
the population of deer will become extinct
C
the population of deer will remain the same
D
the population of deer will increase
6) Where do plants get most of the energy they need to live and grow?
A
water
B
sunlight
C
air
D
soil
7) What evidence supports the hypothesis that whales and dolphins evolved from a common ancestor?
A
they have similar anatomies
B
they swim the same way
C
they live in the same area of the ocean
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 age
B
the fox's habitat
C
the fox's genes
D
the amount of sunlight present
9) Which would best allow a species to survive environmental changes?
A
similar physical features
B
small population
C
genetic diversity
D
low mutation rate
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 the ability to make decisions rapidly
B
it decreases stamina and cardiovascular efficiency
C
it interferes with balance and coordination
D
it decreases the speed and power of muscle contractions
*select an answer for all questions
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