Entry Task #1 Flashcards
1
Q
What are the two major motions of Earth around space? And how long does each one take?
A
Rotation: time it takes something to spin around its axis ( a day )
Revolution: time it takes something to make a complete orbit ( a year )
2
Q
What are Equinoxes and Solstices?
A
Equinoxes: times of the year when the sun is directly over the equator. Day and Night are the same length ( spring- march 20,21,22 - fall - September 20,21,22)
Solstices: times of the year when the sun reaches its furthest north or south (summer- June 20,21,22 - winter- December 20,21,22)
3
Q
Why does the Earth stays in orbit around the sun?
A
The Earth stays in orbit around the sun due to a combination of gravity and inertia
