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Table 5.13 Correcting the Introductory Misconceptions of Mrs. Amp’s Students Selected as Participants in the Case Study
Concepts
Roles of
Chlorophyll
Plant Food
Plant
Materials
Plants and
Light
Energy
Simple
Photosynthesis
Before Green plants use chlorophyll to
photosynthesize. (SU) 9
After All plants could photosynthesize.
(PU)
Before Mineral, fertilizer and water are plant
food because plants use these to grow.
(MU)
After CO2 are plant food because it is a part
of glucose. (MU)
Before H2O and CO2 are materials of plant
photosynthesis. (SU)
After H2O and CO2 are materials of plant
photosynthesis. (SU)
Before Sunlight supplies energy for plant
photosynthesis. (SU)
After Sun heat supplies energy for
photosynthesis and are resource of O2
(MU)
Before light
H2O+CO2 glucose+H2O+O2
Chl (SU)
After light
Students
S09 S10 S11 S12
Green plants use chlorophyll to
photosynthesize. (SU)
Plants having green color of chlorophyll
photosynthesize. (SU)
Water, mineral, fertilizer, and starch were
plant food used for plants’ growth.
(PU+MU)
Starch, water and mineral were plant food
used for plants’ growth. (PU+MU)
H2O, CO2 and starch are materials of
photosynthesis. (PU+MU)
H2O and CO2 are materials of plant
photosynthesis. (SU)
Light, H2O, CO2 and glucose supply energy
for photosynthesis. (PU+MU)
Plants use sunlight to activate energy
transfer in photosynthesis (SU)
light
CO2+ H2OC6H12O6+ O2
Chl (SU)
Plants having chlorophyll could
photosynthesize. (SU)
Chloroplast of plants contains chlorophyll for
photosynthesis. (SU)
Water, mineral, fertilizer, sugar and starch
were plant food used for plants’ growth.
(PU+MU)
197
Plants having green color of chlorophyll
photosynthesize. (SU)
Green plants use chlorophyll to
photosynthesize. (SU)
H2O, mineral and fertilizer are plant food
used for growth and respiration. (MU)
Plants use CO2 to produce carbohydrate. (SU) Plants use CO2 to produce carbohydrate.
(SU)
Carbohydrate and CO2 are the materials b/s
plants used them to produce food. (PU+MU)
Plants use H2O and CO2 as material of
photosynthesis. (SU)
Sun heat supplies energy for photosynthesis.
(MU)
Plants use light energy to produce food. (SU)
(No answer) (No answer)
Processes light light (No answer)
H2O+CO2 glucose+H2O+O 2 CO2+ H2OC6H12O 6+ O2 H2O
+ CO 2 C6H12O 6+ O 2
Chl (SU) Chl (SU) Chl (SU)
Chlorophyll, CO2 and light are the materials
of photosynthesis. (PU+MU)
In day, plants use O2 as material, but in
night, plants use CO2 as material. (PU+MU)
Sunlight supplies energy for plant
photosynthesis. (SU)
In night, plants could photosynthesize
without light. (MU)
9
SU = Sound Understanding, PU = Partial Understanding, PU+MU = Partial Understanding with Misconception and MU = Misunderstanding 197