Pick one of your traits, and explain the influences that both nature and nurture have on it. For example, if you have a short temper, explain its origins in your genetics, your culture, and your childhood experiences.
Many adults have a preference for having a son or a daughter. Interview adults of several ages and backgrounds about their preferences. If they give the socially preferable answer (“It does not matter”), ask how they think the two sexes differ. Listen and take notes—
Draw a genetic chart of your biological relatives, going back as many generations as you can, listing all serious illnesses and causes of death. Include ancestors who died in infancy. Do you see any genetic susceptibility? If so, how can you overcome it?
List a dozen people you know who need glasses (or other corrective lenses) and a dozen who do not. Are there any patterns? Is this correlation or causation?