How Seasons Occur Part 1 Geography - How Seasons Occur Part 1

The ________of sunrise and the sunset on the horizon³ for the whole year keep on changing. (position, shadow, rotation)

India lies in the ____ hemisphere. (northeastern, northwestern, southeastern)

The Earth takes _______ hours to rotate around itself. (365,144, 24)

The earth rotates from _________ (north to south, east to west, west to east)

The earth’s _______ has enabled us to measure time in terms of days. (revolution, rotation, orbital motion)

Think about it:

If the position of the shadow on the wall moves towards the north, in which direction does the location of sunrise or sunset appear to shift?

Why don’t the sun’s rays fall perpendicularly at all places on the earth?

In which hemispheres is our country located?

How long does the earth take to do so?

What term is used to describe the earth’s revolution around the sun?

Records of the entries of sunrise and sunset for the month of June are given below. Answer the questions, that follow.

Date	Sunrise	Sunset	Day	Night	Source of Information
19th June	06.01	19:18	13 Hrs. 16 Min.	10 Hrs. 44 Min.	Time and date
20th June	06.02	19:18	13 Hrs. 16 Min.	10 Hrs. 44 Min.	Time and date
21st June	06.02	19:18	13 Hrs. 16 Min.	10 Hrs. 44 Min.	Time and date
22nd June	06.02	19:18	13 Hrs. 16 Min.	10 Hrs. 44 Min.	Time and date
23rd June	06.02	19:19	13 Hrs. 16 Min.	10 Hrs. 44 Min.	Time and date
24th June	06.02	19:19	13 Hrs. 16 Min.	10 Hrs. 44 Min.	Time and date
25th June	06.03	19:19	13 Hrs. 16 Min.	10 Hrs. 44 Min.	Time and date
26th June	06.03	19:19	13 Hrs. 16 Min.	10 Hrs. 44 Min.	Time and date
27th June	06.03	19:19	13 Hrs. 15 Min.	10 Hrs. 45 Min.	Time and date
28th June	06.04	19:19	13 Hrs. 15 Min.	10 Hrs. 45 Min.	Time and date

(1) Which two dates have days and nights of the same duration?
(2) With the help of the table, you saw how the duration of the day and the night changes. Do you think such a change occurs everywhere on the earth?
(3) Use the above format to record the duration of daytime from 19th to 28th of every month from September to December.

Records of the entries of sunrise and sunset for the month of June are given below. Answer the questions, that follow.

Date	Sunrise	Sunset	Day	Night	Source of Information
19th June	06.01	19:18	13 Hrs. 16 Min.	10 Hrs. 44 Min.	Time and date
20th June	06.02	19:18	13 Hrs. 16 Min.	10 Hrs. 44 Min.	Time and date
21st June	06.02	19:18	13 Hrs. 16 Min.	10 Hrs. 44 Min.	Time and date
22nd June	06.02	19:18	13 Hrs. 16 Min.	10 Hrs. 44 Min.	Time and date
23rd June	06.02	19:19	13 Hrs. 16 Min.	10 Hrs. 44 Min.	Time and date
24th June	06.02	19:19	13 Hrs. 16 Min.	10 Hrs. 44 Min.	Time and date
25th June	06.03	19:19	13 Hrs. 16 Min.	10 Hrs. 44 Min.	Time and date
26th June	06.03	19:19	13 Hrs. 16 Min.	10 Hrs. 44 Min.	Time and date
27th June	06.03	19:19	13 Hrs. 15 Min.	10 Hrs. 45 Min.	Time and date
28th June	06.04	19:19	13 Hrs. 15 Min.	10 Hrs. 45 Min.	Time and date

(1) Refer to the table above and state which are the longest days?
(2) What difference do you notice in the duration of the nights from 19th June to 28th June?
(3) What is the reason behind it?
(4) How did you find out the duration of the night?