(describe acontrolled experiment a student could perform to test the effect of gibberellic acid on the... )?

Question

Gibberellic acid is a plant hormone that affects the growth of plants.
describe acontrolled experiment a student could perform to test the effect of gibberellic acid on the height of pea plants, over a 3-week period. be sure to include:
-all materials and equipment
-the kind of data that will be collected
-the experimental procedure

Answer 1

Use 20 pea plants - 10 to test and 10 for a control

Measure the height of each pea plant carefully and record this as day "0" on your data sheet.

Make note of the coloration or any other things you notice about each plant.

When watering the plants from now on water the control group with pure water and the test group with a gibberellic acid solution.

Measure the height of each plant every day and record on the data sheet.

Make notes each day about anything different in color or form of leaf or stem for each plant.

Answer 2

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