DAFFODIL PROJECT

STEP ONE : ASK A TESTABLE QUESTION .

• How does_____affect_____?
• How does refrigeration affect bulb growth?
• How does bone meal affect bulb growth?
• How does refrigeration affect how big a daffodil will grow ?
• How does bone meal affect how colorful the daffodil will grow ?

STEP 2: FORM A HYPOTHESIS

• Format:If____________________,
• (Experimental procedure)
• Then_________________,
• (Prediction)
• Because______________.(why you made this prediction)

Hypothesis:If one tablespoon of bone meal is added to the hole when a daffodil bulb is planted,then the height of growing daffodil will be taller because phosphorus makes plants healthier.
Hypothesis:If daffodil bulbs are placed in a refrigerator one month before planting ,the the daffodils will begin growing sooner because temperature change cause bulbs to come out of dormancy.

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Date:01-22-15
Air temperature:17.8C
Soil temperature:11.1C
Plant growth:7.2cm

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