A teacher has decided to use portfolios in a science class. Students will keep a detailed record of their experiments and conclusions each day... How does this portfolio activity allow students to further modify or affirm scientific ideas from their investigations?"
In the context of using portfolios in science class, how does the activity support students in modifying or affirming scientific ideas?

a. By avoiding the recording of experiments
b. By focusing on theoretical concepts only
c. By documenting experiments and encouraging reflection
d. By relying on teacher-led assessments only