How Do Clocks Help Us?• Clocks help us because clocks tell time. Wejust need to look on the clock and then theclock tells us what time it is. Whenever we arenot sure what time it is, we can go to sleepand use the clock to set the time. Then weknow if it is time to sleep, go to a soccergame, or wake up. Clocks are very importantto the world!
Why Do We Need Clocks?• We need clocks so that we know what time itis. If we did not have clocks, some peoplewould be coming to school late. Others wouldbe waking up late. Some people would miss ameeting or an appointment. It would be acrazy world without clocks.
When Was The First Clock Invented?• The first clock was invented on November 17,1797.
Who Invented The Clock?• Eli Terry invented the clock.
How Has The Clock Changed?• In 1797, the clock did not have numbers. Ithad roman numerals.
Advantages Of A Clock• You can tell time and know what time it is• You know when to get up or fall asleep• You won’t be late for meetings or a soccergame• You can always be on time
Disadvantages Of A Clock• If you get a big clock, it will just take up space• If the clock has the wrong time on it, youwould be late for something or too early
What Can Substitute A Clock?• A watch is similar to a clock. The answer is: awatch.
How Much Does a clock Cost?• It costs from $1.00-$500.
Where Can You Buy A Clock?• BestBuy• Wal-Mart• Target• Sam’s Club• Walgreens• Sears• K-mart