The Invention of the Alarm Clock — Questions and answers

Read the full story

What did people rely on to wake up before automatic alarm clocks?

Choices

  1. Their own internal clocks and pets.
  2. The sun, church bells, or knocker-uppers. ✓
  3. Loud music and friends calling them.
  4. Magic spells and potions.

Answer: The sun, church bells, or knocker-uppers.

From page 5

What was one of the problems Devi had with her early clock experiments?

Choices

  1. The clocks were too quiet.
  2. One clock chimed every five minutes. ✓
  3. The clocks stopped working after an hour.
  4. They were too heavy to carry.

Answer: One clock chimed every five minutes.

From page 6

What new idea did Devi have that made the alarm clock work?

Choices

  1. To make the clock glow in the dark.
  2. To add a music box inside the clock.
  3. To use a spring-loaded hammer to repeatedly strike the bell. ✓
  4. To make the clock float in the air.

Answer: To use a spring-loaded hammer to repeatedly strike the bell.

From page 7

What did Devi believe the invention of the alarm clock would change?

Choices

  1. How people cooked their food.
  2. How people traveled around the city.
  3. How people lived by preventing missed appointments and late starts. ✓
  4. How people chose their clothes.

Answer: How people lived by preventing missed appointments and late starts.

From page 8

Who did Jia tell about the invention of the alarm clock after she returned to her room?

Choices

  1. Her mother.
  2. Her grandfather, Kofi. ✓
  3. Her friend.
  4. Her teacher.

Answer: Her grandfather, Kofi.

From page 9

What did Jia say people no longer had to rely on because of Devi's invention?

Choices

  1. Their parents waking them up.
  2. Roosters or knocker-uppers. ✓
  3. Digital clocks on their phones.
  4. The changing of the seasons.

Answer: Roosters or knocker-uppers.

From page 10