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Planning observations

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How does celery transport water?

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1

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How to observe.

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2

Observe once a day for two days.

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.

once

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This might be a little too long to leave the celery. What happens when we leave fruits and vegetables for too long?

weeks

Observe every five minutes for two days.

This is too often. You may not see any change until 24 hours have passed.

five

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What to observe.

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3

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.