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7th Grade Science 2nd Quarter Assessment Practice (Part 2)
Test Description: This is the second part of the practice that will help you prepare for tomorrow's skill assessment.
Instructions: Answer all questions to get your test result.
1) An atom always has the same amount of ___________ & ______________.
A
protons, electrons
B
electrons, muons
C
protons, neutrons
D
electrons, neutrons
2) The nucleus contains which of the following parts of an atom:
A
electrons, muons
B
electrons, neutrons
C
protons, neutrons
D
protons, electrons
3) The amount of electrons allowed in the first shell of an atom is:
A
16
B
8
C
2
D
32
4) The amount of electrons allowed in the second shell of an atom is:
A
2
B
32
C
8
D
16
5) Using the periodic table provided, the number of neutrons for Argon is:
A
22
B
40
C
18
D
39.9
6) Using the periodic table provided, the number of electrons for Krypton is:
A
48
B
36
C
83.8
D
84
7) Using the periodic table provided, the number of protons for Manganese is:
A
54.9
B
25
C
55
D
30
8) Using the periodic table provided, the number of protons & neutrons for Cobalt is:
A
58.9
B
27
C
86
D
59
9) An independent variable is best described as:
A
what you measure as a result of something you change.
B
what you purposely change in the experiment.
C
a variable that has its' own apartment.
D
what you keep the same throughout the experiment.
10) Which of the following is NOT part of a well written, four part conclusion?
A
Support with data
B
3 observations
C
Confirm or reject hypothesis
D
Restate hypothesis
*select an answer for all questions
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