CH.1 Concepts Questions.docx

# On march equinox the declination of the sun is 0 on

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On March equinox the declination of the sun is 0°, on June solstice is 23 1/2° N, on September equinox is 0°, on December solstice is 23 1/2° S 23. In the midlatitudes of the Northern Hemisphere, on which day of the year is the Sun highest in the sky? Lowest in the sky? On the June solstice the Sun is highest in the sky. On the December solstice the Sun is lowest in the sky. 24. For the equator, describe the approximate number of daylight hours on the following days: March equinox , June solstice, September equinox , and December solstice . The approximate number of daylight hours on March equinox is 12hrs, on June Solstice is 12hrs, on September equinox is 12hrs, and on December solstice is 12hrs too. 25. What is the longest day of the year (the day with the greatest number of daylight hours) in the midlatitudes of the Northern Hemisphere? In the Southern Hemisphere? During the June solstice the day length becomes longer on the Northern Hemisphere, and the day length increases in the Southern Hemisphere after the solstice of December. 26. For the North Pole, describe the approximate number of daylight hours on the following days: March equinox, June solstice, September equinox, and December solstice. On March equinox 12hrs, on June Solstice 24, on September equinox 12hrs, and December solstice 0hrs 27. For how many months of the year does the North Pole have no sunlight at all? From the start of the December solstice (Dec. 21) to the end of it, and the beginning of the March equinox (Mar. 20) Telling Time 28. What happens to the hour when you cross a time zone boundary from west to east? The time becomes one hour later. 29. What is meant by UTC (Universal Time Coordinated) and Greenwich Mean Time (GMT) ? The prime meridian is still the reference for standard time. To know the exact local time, we usually need to know only how many hours later or earlier our local time zone is too compared with the time in Greenwich. 30. What happens to the day when you cross the International Date Line from east to west? Only the calendar changes, not the clock. It becomes one day later. 31. When daylight-saving time begins in the spring, you would adjust your clock from 2:00 A . M . to 3:00 A . M .
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• Fall '15
• Geography, North Pole, Equator, Final Chapter Questions

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