KUWAIT AMERICAN SCHOOL
Grade 12
Physics
Instructions: Use the prefix conversion chart to complete the following metric
equalities.
kg =
g
cm =
m
mm =
m
ms =
s
km =
m
cL =
L
mg =
g
kL =
L
mg =
g
mL =
L
Mg =
g
Use the prefix conversions chart and dimensional analysis (don’t simply “move the
decimal point”) to convert the measurements below as indicated
1) 40 mL to L
2) 5400 L to kL
3) 85 g to kg
4) 52 mg to g
5) 6300 m to km
6) 2.50 kg to g
7) 18,600 g to kg
KUWAIT AMERICAN SCHOOL
Grade 12
8) 544 mL to L
9) 1.92 L to mL
10)
425 cm to m
11)
7870 mL to L
12)
6.42 m to mm
13)
1850 cm to m
14)
11.4 km to m
15)
3 m to mm
16)
25 Mg to g
17)
74 cm to mm
18)
835 mg to kg
 Convert the following:
Physics
KUWAIT AMERICAN SCHOOL
Grade 12
5.816mm=
Physics
km→
36.45cL=
µL→
0.421Gg=
Mg →
Write the following quantities in standard form:
a) Radius of the Earth = 6,370,000 m =
b) Mass of electron = 0.000 000 000 000 000 000 000 000 000 000 911 kg =
c) Speed of light in vacuum = 300,000,000 m/s =
Convert the following to standard form:
a) 93 nm =
m
b) 0.8 mg =
kg
c) 120 MJ =
J
d) 59µs =
s
Each of five students used the same ruler to measure the length of the same book.
These data resulted: 13.23cm, 13.22cm, 13.22cm, 13.22cm, & 13.24cm. The actual
KUWAIT AMERICAN SCHOOL
Grade 12
Physics
length of the book was 16 cm. Describe whether accuracy and precision are each
good or poor for these measurements.
Precision:
Accuracy:
The diagram shows the result for four shooters A, B, C, and D in a tournament. Every shooter
shot five times. The table below shows the conclusion. Write either high or low in the blank
cell.
Shooter Consistency Accuracy
A
B
C
D