Formal instruction in the scientific method usually begins when pupils are between 11 and 13 years of age. at this point, students are capable of the abstract thinking and deductive reasoning characteristic of piaget's stage of cognitive development.

In the spring of 1989, thousands of protesters gathered in tiananmen square in beijing, china. they rallied around a plaster statue that resembled the statue of liberty which they called “the goddess of democracy.” these protestors were seeking a) united states assistance in gaining better health care. b) economic reforms which would allow more chinese exports. c) the boycott of the future olympic games scheduled for beijing. d) political reforms to allow more freedom of speech and political representation.