Enhancement of Analytical Thinking through Scientific Investigations
Lesson 8-10 – An example of the Experimental Design for the Investigation of the
Growth of Moulds collected from different environment in Sweet Bread and Sandwich Bread
(Result Table)
No. of Days for
Sample
Conditions
No.
sample 1
Type of bread used
sweet bread
Sampling method
NA
added?
Ventilation?
(with
zipper bag opened or
closed?)
zipper
bag
closed
(Put under sunlight?
directly under
In dark/damp area?
sunlight
Type of bread used
Sandwich Bread
Sampling method
NA
Ventilation?
(with
zipper bag opened or
closed?
4 drops of water
with
zipper
bag
closed
Treatment of sample?
Put in a place not
(Put under sunlight?
directly under
In dark/damp area?
sunlight
Type of bread used
Sweet Bread
Sampling method
Collected from soil
Any water (moisture)
added?
Sample 1
with
Put in a place not
added?
sample 2
4 drops of water
Treatment of sample?
Any water (moisture)
Control
Overall Observation
appear
Any water (moisture)
Control
mould to
Ventilation?
(with
zipper bag opened or
closed?
4 drops of water
with
zipper
bag
closed
Treatment of sample?
Put in a place not
(Put under sunlight?
directly under
In dark/damp area?
sunlight
L5_1
Type of bread used
Sandwich Bread
Sampling method
Any water (moisture)
added?
Sample 2
Ventilation?
(with
zipper bag opened or
closed?
Treatment of sample?
(Put under sunlight?
In dark/damp area?
Type of bread used
Sampling method
Any water (moisture)
added?
Sample 3
Ventilation?
(with
zipper bag opened or
closed?
Treatment of sample?
(Put under sunlight?
In dark/damp area?
Type of bread used
Sampling method
Any water (moisture)
added?
Sample 4
Ventilation?
(with
zipper bag opened or
closed?
Treatment of sample?
(Put under sunlight?
In dark/damp area?
Type of bread used
Sampling method
Any water (moisture)
added?
Sample 5
Ventilation?
(with
zipper bag opened or
closed?
Treatment of sample?
(Put under sunlight?
L5_2
In dark/damp area?
Type of bread used
Sampling method
Any water (moisture)
added?
Sample 6
Ventilation?
(with
zipper bag opened or
closed?
Treatment of sample?
(Put under sunlight?
In dark/damp area?
Type of bread used
Sampling method
Any water (moisture)
added?
Sample 7
Ventilation?
(with
zipper bag opened or
closed?
Treatment of sample?
(Put under sunlight?
In dark/damp area?
Type of bread used
Sampling method
Any water (moisture)
added?
Sample 8
Ventilation?
(with
zipper bag opened or
closed?
Treatment of sample?
(Put under sunlight?
In dark/damp area?
Type of bread used
Sampling method
Any water (moisture)
added?
Sample 9
Ventilation?
(with
zipper bag opened or
closed?
Treatment of sample?
(Put under sunlight?
L5_3
In dark/damp area?
Sample 10
Type of bread used
Sampling method
Any water (moisture)
added?
Ventilation?
(with
zipper bag opened or
closed?
Treatment of sample?
(Put under sunlight?
In dark/damp area?
L5_4