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Planning observations
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How does celery transport water?
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How to observe.
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Observe every five minutes for two days.
five
This is too often. You may not see any change until 24 hours have passed.
Observe once a day for two days.
once
This is a similar kind of observation to the Chrysanthemum investigation. Could you observe for more than 2 days?
Leave it and observe after three weeks.
weeks
This might be a little too long to leave the celery. What happens when we leave fruits and vegetables for too long?
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What to observe.
How far the colour has moved up the stem.
How obvious is the colour in the celery stem?
If the colour is all in one place.
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