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Worksheets8th science
Total questions: 5
Worksheet time: 6mins
Name
Class
Date
1.
The atomic number for Fluorine 9, an atomic mass of 19. What is the number of neutrons?
a)
9
b)
10
c)
18
2.
What is an example of a trait?
a)
Blood type
b)
Eye color
c)
Height
d)
IQ level
3.
The microscope was invented in this period of time:
a)
1616s
b)
1006s
c)
1600s
4.
Which is the best example of a pure substance?
a)
peanuts
b)
gold
5.
8.6C (2019-Q 16)
A large rock is motionless on a flat sidewalk. Which statement best explains why the rock remains motionless?
a)
F There are no forces acting on the rock.
b)
G The only force acting on the rock is directed toward the sidewalk.
c)
H The forces acting on the rock are all balanced.
d)
J The sidealk exerts an unbalanced force ont the rock.
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