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KUNCI JAWABAN

ULANGAN KENAIKAN KELAS

TAHUN 2016

MATA PELAJARAN : ILMU PENGETAHUAN ALAM

KELAS : VIII

No Kunci No Kunci No Kunci No Kunci No Kunci

1 B 11 B 21 A 31 C 41 C

2 C 12 A 22 A 32 A 42 C

3 B 13 D 23 B 33 B 43 D

4 D 14 A 24 D 34 D 44 A

5 C 15 D 25 D 35 A 45 A

6 A 16 C 26 D 36 A 46 D

7 B 17 C 27 B 37 B 47 C

8 D 18 D 28 C 38 C 48 B

9 C 19 B 29 A 39 A 49 B

10 A 20 C 30 D 40 B 50 D

URAIAN:51. Diketahui : n = 2 ge!"#ang

t = 0$4 %

1$5 = 54 &"

Ditan'a : a. ( = ) *

#. = ) *

&. + = ) *

,a-a# : a. ( = nt

= 2

4,0

= 0$2 /

#. 1$5 = 54 &" n

t

= 5,154 cm

= 36 &"

&. + =

T

x

t

= 36

0,2

60

3

= 180 &"%= 1$8 "%

skor maksimum 3

52. Diketahui : t = 0$4 %ek!n = 68 "

Ditan'a : + = ) *

,a-a# : + =2d

t

=2.68

0,4

= 340 "%

skor maksimum 2

53. Diketahui : h! = 1 &"%! = 3 &"

Ditan'a : a. %i = ) *#. = ) *

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= 5 &" &. hi = ) *. uki%an e"#entukan #a'angan *e. %iat #a'angan

,a-a# : a. Os1

is1

= f1

3

1

is1

= 51

is

1

= 51

31

is

1

= 153

155

is

1

= 152

si = 215

= 7$5 &"

#. = oi

s

sx

t

= 35,7

60

3

= 2$5 kai

&. = oi

h

hx

t

hi = h!= 2$5 1 &"= 2$5 &"

.

e. iat = "a'a$ tegak$ ie#e%a skor maksimum 4

54. n/i" 'ang iha%ikan ankea%a. ;ia%e #eung%i "enguaiakan e"ak "enka#!n i!k%ia?&. ining e"#uuh te#a$ kuat an ea%ti%.

skor maksimum 3