• A great scientific breakthrough
• A person who changed history
• A remarkable artist
• An invention that transformed the world
• Causes of a huge change in the world
• How a vehicle works
• How do people cope with constant pain?
• How it would feel to walk in space
• My dream car
• My Web site
• Overcoming health problems
• Self-esteem
• The environment: problem and solution
• The government should . . .
• The next wave of social media
• Tools I will need in my intended profession
• What animals can teach people
• What do Americans do well?
• What invention would I like to see in my lifetime?
• When I traveled to . . .
• Why are crime dramas so popular?