Details
True/ False
Variety
100

What ancient device measures time by how much sand passes through a small hole?

hourglass

100

True or False: There has been minimal development of clocks since the beginning of time.

False 

100

What is the main idea?

Clocks from the beginning of time to present day

200

Who built a timekeeper that rang a bell every time the water rose?

a) ancient people

b) Korean clockmaker

c) Albert Einstein

Korean clockmaker

200

True of False: Mechanical clocks have become very popular in the past 30 years.

False
200

Give this story another title!

many answers!

300

Where did mechanical clockmaking begin?

a) Europe

b) America

c) Asia

Europe

300

True or False: An appropriate title for this article would be "Times have changed"

True

300

Why do you think there have been so many different ways to tell time throughout history?

Many possible answers

400

How do modern clocks work?

a) Powered by the sun

b) Electronics

c) Water 

Electronics

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