The following graphs show the sunrise and sunset times across the year at 4 locations in India. Observe how the graphs Class 8
easyThe following graphs show the sunrise and sunset times across the year at 4 locations in India. Observe how the graphs Class 8
Question 1.
The following graphs show the sunrise and sunset times across the year at 4 locations in India. Observe how the graphs are organised.
Are you able to identify which lines indicate the sunrise and which indicate the sunset? Class 8
Answer the following questions based on the graphs :
(i) At which place does the sun rise the earliest in January? What is the approximate day length at this place in January?
(ii) Which place has the longest day length over the year?
(iii) Share your observations — what do you find interesting? What are you curious to find out?
Solution:
Yes, the four top lines indicate sunset and bottom four lines indicate sunrise.
(i) Kibithu, 13 hours
(ii) Kanyakumari
(iii) Do as directed.
Question 2.
We all know the typical sunrise and sunset timings. Do you know when the moon rises and sets? Does it follow a regular pattern like the sun? Let’s find out. The following graph shows the moonrise and moonset time over a month: Class 8
(i) Find out on what dates amavasya (new moon) and purnima (full moon) were in this month.
(ii) What do you notice? What do you wonder?
Solution:
(i) Do as directed.
(ii) We notice that new moon (Amavasaya) and full moon (Purnima) comes each month at an interval of mostly 15 days.