Online worksheet ยท 3 of 4
Variation can have several influences - Online practice 3
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
Read before answering
Invented plant comparison: A: added minerals, bright light; B: no added minerals, dim light. Plants have different measured heights. The intended investigation is the effect of mineral supply. Height can span a range; a separate recording scheme puts flower colour into named categories. No claim is made about the actual cause of the height difference.
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- Why does 'A: added minerals, bright light; B: no added minerals, dim light' not isolate mineral supply?
- How could you improve the comparison of mineral supply?
- Compare the height measurements with the named flower-colour categories as types of recorded variation.
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