Materials needed: banana, eggplant, knife
Procedures:
1. Cut the eggplant into half and observe its color.
2. Soak into water and take it then set aside, after several
minutes observe what happened.
3. Do the same with banana.
4. Record your observations on the chart below. Then, answer the
questions that follow.
Color of the freshly cut
Color after it was set aside
eggplant
banana
Answer the following questions:
1. Is the present color of the eggplant and banana different from their color when they were freshly
cut?
2. What contributes to the change of color after cutting and setting them aside?
3. What changes took place in both halves of the sliced eggplant and banana?
4. What is the sign that the materials undergo chemical change?
5. Can it turn back to its original form?​