Question

5:
timekeeping devices
A stick disc shadow
Sundials are the earliest known
timekeeping devices, used from at least
3500 BCE. They consisted of a flat
1) .…........…........., made from stone or
wood, with markings on it and a
2) .................. on top. The
3) .................. cast by the stick in the
light of the sun could tell observers what
part of the day it was.
B practice divide cast
Obelisks, like sundials, used the shadow created by the sun to
4) .................... the day into parts, but in this case the stick was a
monument. The 5)....... .... dates back to ancient Egypt, but has
not been forgotten. The shadow 6) .................. by the Washington
Monument in Washington, D.C., USA can be used to tell the time.
•
.
C passing existence flow
●
●
Water clocks, also called clepsydras, have been in
7)
the
............... since at least 1500 BCE. They use
... of water to measure the
8) .......
9) ........
of time. They were originally stone and
were used by the ancient Egyptians and Babylonians.
D. lit burned filled
•
IX X
Oll-lamp clocks were glass containers 10) .................. with oil. A wick
was placed in the oil and 11)................... As the wick 12)
and the oil was used up, markings on the side of the container could be
used to indicate how much time had passed. Oil lamps were at the peak
of their popularity in the 18th century, and are very rarely used today.

Answer 1

Ответ:

1. **disc**

2. **stick**

3. **shadow**

4. **divide**

5. **obelisk**

6. **cast**

7. **existence**

8. **flow**

9. **passing**

10. **filled**

11. **burned**

12. **lit**