For each of the following explanations, specify which standard of a good explanation, if any, it violates. The standards require that a good explanation be explanatory, deep, powerful, falsifiable, modest, simple, and conservative. A single explanation might violate more than one standard.
1. Although we usually have class at this time in this room, I don't see anybody in the classroom, because a wicked witch made them all invisible.
2. Although we usually have class at this time in this room, I don't see anybody in the classroom, because they all decided to skip class today.
3. Although we usually have class at this time in this room, I don't see anybody in the classroom, because it's Columbus Day.
4. My house fell down, because it was painted red.
5. My house fell down, because of a powerful earthquake centered on my property that did not affect anything or anybody else.
6. My house fell down, because its boards were struck by a new kind of subatomic particle.
7. Although I fished here all day, I didn't catch any fish, because there are no fish in this whole river.
8. Although I fished here all day, I didn't catch any fish, because the river gods don't like me.
9. Although I fished here all day, I didn't catch any fish, because I was unlucky today.
10. That light far up in the night sky is moving quickly, because it is the daily United Airlines flight from Boston to Los Angeles.
11. That light far up in the night sky is moving quickly, because it is an alien space ship.
12. That light far up in the night sky looks like it is moving quickly, because there's something wrong with my eyes right now.