Understanding Leap Years

Why is a leap day added every four years?

• To correct the Earth's rotation speed

• To align the calendar with the lunar cycle

• To keep the calendar in sync with the seasons

• To adjust for daylight saving time

Which ancient civilization first recognized the need for a leap year?

• Ancient Rome

• Ancient China

• Ancient Egypt

• Ancient Greece

What was a key improvement of the Julian calendar over previous systems?

• It eliminated the need for leap years

• It added a leap year every four years

• It aligned the calendar with the lunar phases

• It introduced a 10-day week

According to the Gregorian calendar, which of the following years is a leap year?

• 2000

• 1900

• 1800

• 1700

How long will the Gregorian calendar keep the year in line with the seasons?

• 1,000 years

• 4,000 years

• 8,000 years

• 10,000 years