Sms 8th Grade Science Eog Review

13 Questions  I  By Mrmorrow on May 15, 2010
This is an NC 8th grade EOG review quiz. )

  
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1.  Which event will lead to the greatest reduction of dissolved oxygen in a lake?
A.
B.
C.
D.
2.  Which may result from increased recreational water activities on a lake?
A.
B.
C.
D.
3.  Which would most greatly affect the health of fish in a local pond?
A.
B.
C.
D.
4.   A scientist chemically combines 25 grams of hydrogen with 50 grams of oxygen to form water. After the chemical reaction is complete, there are only 72 grams of water. Which best explains why the total mass is reduced?
A.
B.
C.
D.
5.  A rock sample has 25% of its original radioactive element and the half-life of the element is 1 million years. How old is the sample?
A.
B.
C.
D.
6.  In what type of rock is an index fossil most likely to be found?
A.
B.
C.
D.
7.  Which animal cell organelle uses oxygen to release the energy stored in glucose?
A.
B.
C.
D.
8.  Which is the relationship between flagella and cilia in animal cells?
A.
B.
C.
D.
9.  Which can be easily determined by studying the periodic table of elements?
A.
B.
C.
D.
10.  Which best describes elements that have similar chemical properties?
A.
B.
C.
D.
11.  How can the element Carbon (C) be classified?
A.
B.
C.
D.
12.  How are elements organized in the periodic table?
A.
B.
C.
D.
13.  Which group has the most reactive metals?
A.
B.
C.
D.
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