The First Clocks

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The First Clocks
ZAVYALOVA MILENA 6ZH
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Why did people invent clocks?
• People needed to measure time for
farming, trading, and daily life.
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Sundails clocks
The first clocks
were sundials.
They used the
sun’s shadow
to tell time.
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4.

Water clocks
Water clocks
measured time
using flowing
water. They
were used in
Egypt and
Greece.
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Hourglasses clocks
Hourglasses
used sand to
measure short
periods of
time.
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Mechanical clocks
The first
mechanical
clocks
appeared in
the Middle
Ages. They
used gears and
weights.
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Clocks Today
Today we use digital, atomic, and
smart clocks. Because they are
very accurate.
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Conclusion
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• Clocks have changed over
time, but they are still
important in our daily lives.
Which type of clock do
you like the most?
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