Polar Day
Calendars
Time Zones
Earth Rotation
Measurements
100
What is another name for a Polar Day?
Midnight Sun
100
What is the name of the calendar we use these days?
Gregorian Calendar
100
Why do we have different time zones?
Because Earth rotates on its axis
100
How long is one rotation of Earth?
24 hours
100
What is the name of the quantity that can be measured in liters?
Volume
200
How we call the regions where Polar Day can be seen?
Arctic and Antarctic Circles
200
What is the difference between common and leap year in our calendar?
Leap year has one extra day (366 days) comparing to common year (365 days)
200
How wide (in degrees) is every georgraphical time zone?
15 degrees
200
Why do we have days and nights on Earth?
Because Earth spins (rotates) on its axis
200
What does every measuring tool have?
Instrument Scale
300
The Polar Day can be seen on Arctic Cirle only one day in a year. What is this day?
June 21 (Summer Solstice)
300
How many months and days were in Ancient Egypt calendar?
12 months of 30 days, total 360 days
300
What does GMT mean?
Greenwich Mean Time
300
Why do we have different seasons on Earth?
Because Earth rotates around the Sun and its axis is tilted
300
What quantity we can get if we combine distance and time?
Speed
400
There is the reason why we can see Polar Day in some regions on Earth. What is this reason?
Earth axis is tilted from vertical
400
Is year 1900 a leap year in Gregorian calendar?
no, it is common year, as it can be divided by 100 and not by 400
400
This imaginary line in the Pacific Ocean separates one calendar day from the next. How is it called?
International Date Line
400
How do we call the shortest day in the year?
Winter Solstice
400
What is the name of the tool that we use to measure weight?
it is a forcemeter
500
Name all the countries on which territories the Polar Day can be seen
Norway, Russia, Canada, USA, Sweden, Finland, Denmark (Greenland)
500
What is the difference between Julian and Gregorian calendars?
Julian calendar has leap year every 4 years, Gregorian calendar is more precise and it doesn't have leap day in the years that can be divided by 100 (but if they can be divided by 400 is a leap year)
500
If it is 5 PM in Paphos (GMT+2), what is the time in New York (GMT-5)
10 AM (17 - 7)
500
Name the preiod when day is longer then night in the Northern Hemisphere
March 22 to September 21
500
Define the least count of this scale
(2 - 1) / 10 = 0.1 (A)