3. What English word did William want to look up when he found a book that changed his life?
(a) Transformer.
(b) Conductor.
(c) Grapes.
(d) Lemon.

4. How much did the windmill frame weigh?
(a) 85 pounds.
(b) About 100 pounds.
(c) About 90 pounds.
(d) 75 pounds.

5. At the beginning of Chapter 13, what school was advertised on the radio?
(a) Kachokolo.
(b) Blantyre.
(c) Mwaya.
(d) Kaphuka.

6. How far from William's bedroom would the radio signal disappear?
(a) 500 feet.
(b) 50 feet.
(c) 100 feet.
(d) 300 feet.

7. What was the name of the group that William played when he was first testing his radio station?
(a) Duck and Cover.
(b) Black Missionaries.
(c) Lark.
(d) AKING.

8. In the shade of what tree did William put his windmill together?
(a) Blue gum.
(b) Acacia.
(c) Tolkein.
(d) Baobab.

9. Where was the best place for William to find materials for his windmill?
(a) Estate 15.
(b) Estate 37.
(c) Estate 5.
(d) Estate 24.

10. Who operated the library at Wimbe Primary School?
(a) Mrs. Winnie Nyondo.
(b) Mr. David Muyila.
(c) Mr. Benjamin Kalagho.
(d) Mrs. Edith Sikelo.

11. After Tom helped William buy materials to upgrade his windmill, how many days did it take William and other workers to make the changes?
(a) 4 days.
(b) 5 days.
(c) 2 days.
(d) 3 days.

12. What color did William paint the walls in his family's home so they would reflect light better?
(a) Yellow.
(b) White.
(c) Cream.
(d) Beige.

13. How long did it take William to dig up an old pipe that had been buried under an old bathhouse?
(a) 25 minutes.
(b) 15 minutes.
(c) 20 minutes.
(d) 30 minutes.

14. How many page results came up on Google for the word "windmill"?
(a) 283,000.
(b) 798, 543.
(c) 5,000,000.
(d) 1,300,000.

15. Once the windmill lit the light bulb, how long did William hold the lit bulb?
(a) 15 minutes.
(b) 20 minutes.
(c) 30 minutes.
(d) 25 minutes.