Leap Year- BrainPop

What is the reason we have leap years?

• To confuse people

• To make the calendar look longer

• Because Julius Caesar said so

• To adjust for the extra time it takes the Earth to orbit the Sun

How long does it take for the Earth to make one complete revolution around the Sun?

• 364 days

• 365 days, 5 hours, 48 minutes, 46 seconds

• 365 days and 6 hours

• 365 days

What would happen if we didn't adjust the calendar for leap years?

• We would have shorter years

• The seasons would no longer match up with the months

• Every day would be a holiday

• Nothing would change

Who made the practice of adding leap days official?

• Isaac Newton

• Albert Einstein

• Julius Caesar

• Pope Gregory XIII

What was the major problem with the Julian calendar?

• The calendar year still didn't match up with the solar year

• It didn't account for leap years

• It was too simple

• It was too complicated

In what year did Pope Gregory XIII introduce the Gregorian calendar?

• 1582

• 45 BCE

• 2000

• 1492

What is the rule for determining a leap year in the Gregorian calendar?

• Every year that is divisible by 4

• Every year except those ending in '00'

• Years ending in '00' if they can be divided by 400

• All of the above

How often does the Gregorian calendar lose a day?

• Every 100 years

• It never loses a day

• Every 400 years

• Every 3200 years

What years are considered special '00 years' in terms of leap years?

• Every year that ends in '02'

• Only if they are divisible by 400

• Only if they are divisible by 4

• Every year that ends in '00'

Why was the Gregorian calendar introduced?

• To fix the dates of religious festivals

• Because the Julian calendar was too old

• To introduce leap seconds

• To decrease the number of holidays