| MW6337 (Sci) | Investigating in science | 5 | lcr | | Students look at two diagrams. The first shows iron nails in test tubes with boiled water or tap water, the second shows iron nails with moisture either present or absent. Students answer five questions about these investigations. | | | Keywords (changes; iron; rust; fair testing;) | | | Publication date (15/01/2002) |
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