WONDER #2576: How Do Water Clocks Work?

Question 1 of 3

The earliest water clocks were what two types?

1. Inflow and outflow
2. Glass and plastic
3. Digital and analog
4. Saltwater and freshwater

Question 2 of 3

Which is another word for a water clock?

1. Hydrahora
2. Flow clock
3. Water timer
4. Clepsydra

Question 3 of 3

This Wonder was mostly about...

1. how to build your own water clock.
2. how water clocks work and which cultures throughout history have used water clocks.
3. why water clocks are much more accurate than analog clocks.
4. all the ways people tell time.

Check your answers online at https://wonderopolis.org/wonder/How-Do-Water-Clocks-Work.