Title – Leap Year Day

by – Lorah A. Perry

Subject – Math, Science, Computers & Internet, Other

Grade Level – 4-8

Today is a special and unusual day that happens only once every 4 years. To find out about this day go

here

to answer the following questions.

1) When did the practice of adding a day to the calendar begin?

2) Because everyone in the world had different time measuring tools, there were problems. What were the 4 problems listed?

3) To temporarily solve this how many days were added to the Julian Calendar in 46 BC?

4) What did the astronomer Sosigenes calculate the length of a year to be?

5) What did Sosigenes use to find these calculations?

6) What was his solution?

7) Why was the day added to February?

8) This was not a permanent solution. Christopher Clavius recalculated the data. What did he do with his results and a solution?

9) Who was the Pope and what did he do?

10) What was Clavius’ solution?

11) What do we call the year 2000?

12) How long do we estimate a year to be? a day?

E-Mail

Lorah

!