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| Questions/instructions:
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| %
responses 2003 ('99) |
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| y4
|
y8 |
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| 1.
These sands were gathered from different places in New Zealand. Where might you go to collect sand? Prompt: Anywhere else? |
ocean
beaches, estuaries, mudflats |
95
(98) |
98
(99) |
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riverbeds,
banks, lakes |
24
(30) |
43
(48) |
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deserts |
2 (6) |
4
(3) |
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places
where there used to be a beach or river (including commercial sandpits) |
2
(5) |
2
(6) |
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quarries
where rock is ground up |
2
(0) |
4
(6) |
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| 2.
How do you think sand is made? |
by
rocks, stones, shells getting broken up |
36
(39) |
68
(52) |
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Mechanisms: (rubbing against each other – e.g. in river beds; wind action; water/wave action) |
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really
good account including at least 2 of these ideas |
0
(1) |
2
(0) |
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mentioned
two ideas |
2
(5) |
7
(5) |
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mentioned
one idea |
18
(18) |
35 (28) |
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| 3.
I want you to have a good look at the sands. Use the hand lens to help you. Why are the sands different colours? |
come
from different types/colours of rock/stone/shell |
20
(16) |
45
(30) |
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vague,
but on right track (come from different places) |
40
(41) |
36
(34) |
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| 4.The
sands are different sizes. Why are some pieces of sand big and some pieces of sand small? |
different
materials and different stages of breakdown |
2
(2) |
9
(2) |
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different
stages only |
20
(17) |
42
(31) |
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different
types only |
11
(8) |
13
(11) |
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Total
score: |
8–11 |
4 (5) |
20
(13) |
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5–7
|
22
(14) |
40
(27) |
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2–4 |
53 (62) |
36
(47) |
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0–1
|
21
(19) |
4
(13) |
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| Commentary Year 8 students performed much better than year 4 students. While there was little change between 1999 and 2003 for year 4 students, there was a marked gain for year 8 students. |
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