Lesson: What Is a Leap Year?/ExerciseRC1

Answer the following questions according to the text.

1 What happens when we have a leap year?

	.25 day is added to the year
	in 1900, 1800, 1700, but not in 2000
	we add an extra day

2 Who discovered the leap year first?

	Gregory
	Julius Caesar
	The Egyptians

3 What star helped people notice the leap year?

	Andromeda
	Sirius
	The Morning Star