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This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

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

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

3. Where was the man from who invented a refrigerator that worked using water evaporation from sand?
(a) Ghana.
(b) Mozambique.
(c) Zambia.
(d) Egypt.

4. What color were the paper bills that Gilbert used to buy the dynamo for William?
(a) Red.
(b) Blue.
(c) Yellow.
(d) Green.

5. How holes were dug for the windmill?
(a) 6.
(b) 12.
(c) 3.
(d) 9.

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

7. When William got a battery to store electricity, how long could energy be stored in the battery?
(a) 4 days.
(b) 5 days.
(c) 3 days.
(d) 2 days.

8. How many holes did William bore in each windmill blade?
(a) 4.
(b) 8.
(c) 10.
(d) 6.

9. When did Michael Faraday invent the first transformer?
(a) 1912.
(b) 1898.
(c) 1797.
(d) 1831.

10. How far outside Arusha was the TED conference held?
(a) 15 kilometers.
(b) 25 kilometers.
(c) 30 kilometers.
(d) 20 kilometers.

11. What was the wingspan of William's blade system?
(a) 8 ft.
(b) 6 ft.
(c) 7 ft.
(d) 5 ft.

12. How many years after William first had his idea for the windmill did he speak at the TED conference?
(a) 4.
(b) 7.
(c) 5.
(d) 6.

13. Who was the first person who gave William a belt from a milling machine?
(a) Charity.
(b) Old man in the trading center.
(c) William's uncle.
(d) Geoffrey.

14. When was Baobab founded?
(a) 2000.
(b) 2001.
(c) 1999.
(d) 2002.

15. How much did the speed of the windmill blades and the voltage increase after William increased the height of his windmill tower?
(a) Three times.
(b) Half again as much.
(c) Four times.
(d) Double.

Short Answer Questions

1. What mountain did William see in Tanzania?

2. How many meters of wire did William get from Charity?

3. How long did it take William to dig up an old pipe that had been buried under an old bathhouse?

4. Where was Corneille Ewango from?

5. How deep was the shallow well at William's house?

(see the answer keys)

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