1. photoelectric effect
2. a heart attack
3. DNA
4. a large section of the earth's crust capable of movement
5. the Big Dipper
6. Wall Street
7. foreigners and things of foreign origin
8. Wyoming
9. The city is Harare; the country is Zimbabwe.
10. the right of women to vote
11. Tories
12. Works Progress Administration
13. Noah Webster made dictionaries; Daniel Webster was a political leader.
14. William and Mary
15. William the Conqueror
16. The alto clarinet is a single-reed instrument.
17. superlative
18. Tennessee Williams
19. Brigham Young
20. You have been defeated and forced to give up.
21. Because he played the movie version of George Gipp, a young man who died of illness while a member of the 1928 Notre Dame football team.
22. Aphrodite.
23. Ecclesiastes
24. The sonic barrier (or the sound barrier).
25. the urethra

Scoring: 4 points for each correct answer that you really know. Subtract 2 points for each question you guessed at and got right. Total your points and then give yourself a grade using the following scale:

100-90 ("A"); 89-80 ("B"); 79-70 ("C"); 69-60 ("D");59-0 ("F")