Unit 2: Earth’s Rotation and Revolution Flashcards
1
Q
What is rotation?
A
A planet spinning on it’s axis
2
Q
What is an axis?
A
An imaginary line that a planet is tilted on
3
Q
What causes day and night?
A
Earth’s rotation
4
Q
true or false:
It looks like the sun is moving through the sky because it actually is moving.
A
False
5
Q
How long does it take the Earth to make one rotation?
A
24 hours
6
Q
What is revolution?
A
A planet orbiting around a sun
7
Q
How long does it take Earth to make a revolution?
A
365 days and 6 hours
8
Q
true or false:
Earth’s orbit is a perfect circle.
A
False
9
Q
What is Earth’s average distance from the sun?
A
~91.5 million miles
10
Q
What causes the seasons?
A
Earth’s axis and revolution (when the our hemisphere is poineed away from the sun, it’s winter, and when it’s facing the sun, it’s summer)
