Tip - Why One Bad Apple Will Spoil Your Whole Basket, Literally

Measure the ripening of fruit from exposure to the plant hormone ethylene by testing starch levels with an iodine solution. This easy experiment can be performed on several types of fruit, such as apples, pears, and bananas.
Tags: chemistry plant hormones ethylene fruit ripening apples bananas pears science fair project experiment iodine starch sugar botany experiments projects chemical reactions introduction objective purpose