Question

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

1. Among the records in the table, which is the longest day?
2. What difference do you notice in the duration of the nights day by day?
3. Guess the reason behind it.
4. How did you find out the duration of the night ?
5. Which two dates had days and nights of the same duration?
6. 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?
7. Use the following format to record the duration of daytime from the 19^th to 28^th of every month from September to December.

Answer 1

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. The longest days are from 19th June to 26th June.
2. The duration of the nights keeps on increasing day by day.
3. The sun is now moving southwards.
4. The duration of the day is subtracted from 24 hours to get the duration of the night.
5. March 22 and September 23 have the same duration of days and nights.
6. Yes, the duration of day and night changes everywhere on the earth.
7. Students should be expected to attempt the activity & answer on their own.