shadows
How many hours does the earth take to rotate?
24 hrs
the star at the center of our solar system
the sun
The earth rotates counterclockwise from _______ to _____.
west to east
define night
the time between sunset and sunrise when we are not facing the sun
Why does day and night occur?
Because of the rotation of the earth on its axis.
define day
the time between sunrise and sunset when we are facing the sun.
How much of the earth is facing the sun at one time?
half
define axis.
the imaginary line from north to south around which the Earth rotates