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8th Grade Science Extend 2 EOG Review
Test Description: EOG Extend2 part I
Instructions: Answer all questions to get your test result.
1) Which is an example of a compound?
A
air
B
gold
C
water
2) What characteristics do halogens and noble gases have in common?
A
Both are highly reactive metals
B
Both are nonmetals
C
Both are highly reactive nonmetals
3) Why does a balanced chemical equation support the Law of Conservation of Mass?
A
because the total mass of the reactants is less than the total mass of the products
B
because the total mass of the products is greater than the mass of the reactants
C
because the total mess of the reactants equals the total mass of the products
4) Which source of energy causes the most air pollution?
A
wind
B
solar
C
oil
5) Which will most likely be the result if sources other than oil are not developed in the future?
A
Energy prices will remain the same because there is an unlimited supply of oil available for use
B
Energy prices will increase because there will be less oil available for use
C
Energy prices will decrease because there will be more oil available for use
6) Which are bioindicators in a stream?
A
rocks and sand
B
water and temperature
C
frogs and lizard
7) What will most likely happen to the fossil record if an unconformity occurs?
A
The geologic record would be expanded
B
the geologic record would be shortened
C
There would be a gap in the geologic record
8) Which provides the best evidence that climates on Earth have changed?
A
deep ocean currents
B
metamorphic rock
C
gases trapped in glaciers
9) Which agency in the United States is responsible for developing water quality standards?
A
National Oceanic and Atmospheric Administration
B
Centers for Disease Control
C
Environmental Protection Agency
10) Athlete's Feet and Fungus are both caused by a:
A
a parasite
B
a virus
C
a mold
*select an answer for all questions
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