Clocks

Who was the first to invent the clock method?

• Egyptians

• Sumerians

• Greeks

• Babylonians

In ancient times, why would a cloudy day make it hard to know what time it was? 

• ​Without​ ​the​ ​sun,​ ​you​ ​can't​ ​use​ ​a​ ​shadow clock

• Shadow clocks DO NOT need sunlight

• Shadow clocks work no matter the weather

Why were water clocks more reliable than sundials?

• They were smaller and could be transported in your pocket.

• They operated day and night.

• Mythical beasts were afraid of them.

• They did not rely on the sun to function.

Water clocks remained the most accurate and commonly used timepieces for more than ____________ years.

• 20

• 250

• 3000

• 4 million

What Time is this?

• 6:00

• 12:30

• 1:30

• 11:00

The face of the clock has _____ numbers.

• 11

• 21

• 12

What time is it?

Which is the blue hand?

• hour hand

• minute hand

The clock shows 7:30. On which number will the long hand be pointing in 40 minutes?

• 12

• 1

• 2

• 3

This clock shows 9:00. On which number will the long hand be pointing in 20 minutes?

• 2

• 4

• 6