1. 1
F 1 1
F1
30201 4 F F 1
F F F F
1. F
F ( Science ) F
F F F F F
F F
F
F
F F
F
F
F F F
F
1. F ( pure science ) F ( natural science )
F F F F
F F F F
F F F F F F F F 2
. F ( physical science ) F F F F
F F F
. F ( biological science ) F F F
F F F

2. 2
2. F F ( applied science ) F F
F F F F F F
F F F F F
2. F F F F
F F F F F F F F
F F3
1. F
2. F
3. F ( model )
3. F
F F F F
F F F F F F F
F F F F
F F F
F F F F
F F F F
F F F F 2
F ( qualitative data ) F F F
F F F F
F ( quantitative data ) F F
F F F F F
4.
F F F F F F
F F

3. 3
5.
( physical quantity ) F F F
F F F 2
1. ( base unit ) F F 7
F F
m
kg
s
F A
K
mol
F F F cd
2. F ( derived unit ) F F2
F F F
F
F F F
F
F m/s 1m
1m/s =
1s
F F 2
m /s2 1m
1 m / s2 =
1s x 1 s
N 1 N = 1 kg. m /s2
J 1 J = 1 N.m
F W 1 W = 1 J /s
Pa 1 Pa = 1 N / m2
F Hz 1 Hz = 1 s 1

4. 4
6. F F
F F F F F
F F
F F F F F F F ( The Internation System of
Unit ) F F ( SI Units ) F F F F
1. F ( base unit ) F F 7
F F
m
kg
s
F A
K
mol
F F F cd
2. F F ( derived unit ) F F2
F F F
F
F F F
F
F m/s 1m
1m/s =
1s
F F 2
m /s2 1m
1 m / s2 =
1s x 1 s
N 1 N = 1 kg. m /s2
J 1 J = 1 N.m
F W 1 W = 1 J /s
Pa 1 Pa = 1 N / m2
F Hz 1 Hz = 1 s 1

5. 5
7. F F
F F F F F F 1
F F F F F
F F2
7.1 F F F F F F
1 F F
±n F
0.000 x10
F F
. 360,000,000 . 6,539,000
. 0.00048 . 0.00127
. 360,000,000 = 360,000,000
= 3.6x108
. 6,539,000 = 7,539,000
= 6.5x106
. 0.00038 = 0.00038
= 3.8x10 4
. 0.00117 = 0.00117
= 1.17x10- 5
7.2 F ( prefix)
F F F SI F F SI F
F F
T 10 12 P 10 -12
G 10 9 n 10 - 9
M 10 6 µ 10 6
k 10 3 m 10 3
h 10 2 c 10 2
da 10 d 10 - 1

6. 6
F F F
. 12 F F
. 0.00035 F F
. → . → → →
= 12 x 10 3 = 0.00035 x 10 3 x 10 3 x 10 3
= 1.2 x 10 4 = 0.00035 x 10 9
= ( 3.5 x 10 4 ) x 10 9
= 3.5 x 10 5
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