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C
Equipment name | Sources | Suggestions for use | Notes |
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Cabbage (red) |
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| Other plants, such as impatiens, hibiscus and beetroot, also provide coloured extracts that can be used as acid-base indicators. |
Calcium chloride [Ca(Cl)2] |
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Candles |
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| Birthday candles are often appropriate. Do not use candles for heating. |
Cardboard tubes |
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Cellophane |
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Chalk |
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Chocolate chippies |
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Cling film |
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Citric acid |
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Clay |
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Cobalt (II) nitrate [Co(NO3)2] |
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| Refer to Safety and Science, page 62. |
Coloured sweets and inks |
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| Poison (1 teaspoon can kill a small child). Keep in locked cupboard. Refer to Safety and Science, pages 48, 61, and 62. |
Copper sulfate [CuSO4] |
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| Poison (1 teaspoon can kill a small child). Keep in locked cupboard. Refer to Safety and Science, pages 48, 61, and 62. |
Cordial powders |
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Cornflour |
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(see pages 64–65 of Making Better Sense of the Material World for recipes) | |
Cotton buds |
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| Ensure that each bud is used by only one child. |
Crayons |
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