yr 6 science ar
TRANSCRIPT
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```LQ````G dG h```e
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. . . . 35
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. 65:
2008 je
````dG````dG
66````dG````dG
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7/29/2019 Yr 6 Science Ar
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eGdG````dG
2
1
2
3
. .
.
.
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7/29/2019 Yr 6 Science Ar
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eGdG````dG
3
4 ( ( ( )
5
. .
. .
.
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7/29/2019 Yr 6 Science Ar
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eGdG````dG
4
6
7
. .
. .
.
. .
. .
. .
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7/29/2019 Yr 6 Science Ar
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eGdG````dG
5
8
9
10
.
. . .
. .
( CDs) . .
.
.
. .
.
11
. .
. .
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7/29/2019 Yr 6 Science Ar
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eGdG````dG
6
12
13
0C
20C
100 C
1000 C
14
8
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7/29/2019 Yr 6 Science Ar
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eGdG````dG
7
15
1
16
17. .
18.
2
66 66
1
5 4 2 1
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7/29/2019 Yr 6 Science Ar
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eGdG````dG
8
20
19: .
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. .
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21
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22
23
24.
.
. .
.
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7/29/2019 Yr 6 Science Ar
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eGdG````dG
9
.
. . .
25
III
II
Iv
26
(A, B, C)1.4 cm3/g (A)0.6 cm
3
/g (B)1.8 cm3/g (C)1.2 cm3/g (D)
27
(D)
(D)B
A
C
A
C
C
B
A
A
B
C
B
AC
B
A
B
CAC
III II I
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7/29/2019 Yr 6 Science Ar
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eGdG````dG
10
28
29
(R) (Q)(R) (Q)
(R) (Q)/ 1 (Q)
/ 1 (R)/ ( ) 0 (R) (Q)
/ 1Q R
20C
1C 10C
50
20C 45C
30
/
3 0 57.9
24 365 1 150
24.5 10 2 228 10 11 63 778 18 84 27 2870
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7/29/2019 Yr 6 Science Ar
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eGdG````dG
11
31
32
.
.
.
.
33. .
.
.
34
/
3 0 57.9
24 365 1 150
24.5 10 2 228 10 11 63 778 18 84 27 2870
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7/29/2019 Yr 6 Science Ar
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eGdG````dG eGdG````dG
35
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.II I .
. II
I
II