5.8C: Earth’s Rotation
Earth and Space
1
2
About how long does it take for one rotation of Earth?
A
12 hours
B
18 hours
C
24 hours
D
48 hours
Which of the following takes about one day?
A
One rotation of the Earth on its axis
B
One revolution of the Moon around Earth
C
One orbit of the Earth around the Sun
D
One rotation of the clouds across the sky
5.8C: Earth’s Rotation
Earth and Space
3
4
The Sun appears to move across the sky because A
the Sun orbits around Earth
B
Earth rotates on its axis
C
the Moon revolves around Earth
D
the Sun gets smaller in the evening
Earth rotates on its axis giving us night and day. Earth’s axis is
-
A
the path of the Earth as it orbits the Sun
B
a line between light and dark parts of Earth
C
a band of clouds around the center of Earth
D
an imaginary line through the poles of Earth
2
5.8C: Earth’s Rotation
Earth and Space
5
A student modeled the cause of day and night on Earth using a
lamp and a baseball.
If one second equals one hour, how should the student model
one day/night cycle on Earth?
A
Move the baseball around the lamp in 24 seconds
B
Turn the lamp off and on for 24 hours
C
Spin the baseball 24 times in one hour
D
Rotate the baseball one time in 24 seconds
3