| A | B |
|---|
| Space | How do black holes form? |
| Dolphins | How do dolphins use echolocation to help them? |
| Slavery | Why did people have slaves and how did they treat them? |
| France | How is French life different than American life? |
| Martin Luther King, Jr. | Why was Martin Luther King Jr.assassinated? |
| Skateboarding | How did skateboarding begin? |
| Baseball | Why was there a scandal surrounding the Chicago White Sox? |
| Titanic | Why did the Titanic sink? |
