1
How do you tell time
A clock
What year did the railroads in the United States agree to divide the country into four standard time zones?
1883
Why did the original time zones not work?
Many states and towns had 2 time zones.
What ocean does the International Date Line run through
Pacific Ocean
What small country moved their time zone to the west to all their people to be in the same time zone?
South Korea
How is a day measured
The time it takes the earth to rotate around the sun
What were the first four time zones named?
Eastern, Central, Mountain, and Pacific
Which country has the most time zones?
Russia
The country of Nepel has to set its time ____ minutes earlier than everyone else
15
When traveling to the east do you set your clock ahead or back?
ahead
How did the first people keep time?
They used solar time with the noon marked as the sun at its highest point
At the Washington DC conference a group decided to divide the world into how many time zones?
24
How many time zones does China have?
5
Which time zone has the fewest people?
The tiny frozen island of South Georgia
We tell time by what 2 ways?
Year and day
Because clocks were often not accurate what did towns do?
They would have one clock in the center of town
The times in each time zone were started in what town
Greenwich
If you traveled from China to Kazakhstan how far ahead to you have to set your clock?
2 hours
If you travel fast enough from east to west you can get to a place _______ than you left
earlier
The sun rises from what direction...North, South, East, or West?
East
What caused a change to telling time in the 1800s?
The trains
Why was Greenwich designated as the time zone start point?
It had an observatory that could keep accurate information on the earth's rotation.
How many time zones does the US have
7
India and Iran set their time to be how many minutes different?
30
The sun sets in what direction. North, South, East, or West.
The West