Sst Flashcards
(16 cards)
What does a ball represent in the analogy of the Earth and the Sun?
The Earth
What does a lighted candle represent in the analogy of the Earth and the Sun?
The Sun
What happens to town X when the ball is rotated slightly?
It experiences sunrise
What is the term for the movement of the Earth on its axis?
Rotation
What is the term for the movement of the Earth around the Sun in a fixed path?
Revolution
What angle does the Earth’s axis make with its orbital plane?
66°
What is the imaginary line called that represents the Earth’s axis?
The axis
What divides the day from night on the globe?
The circle of illumination
How long does it take for the Earth to complete one rotation around its axis?
About 24 hours
What is the period of rotation of the Earth known as?
Earth day
True or False: The circle of illumination coincides with the axis of the Earth.
False
Fill in the blank: The portion of the Earth facing the Sun experiences _______.
day
Fill in the blank: The portion of the Earth away from the Sun experiences _______.
night
What is the shape of the Earth that affects how it receives sunlight?
Spherical
What are the two types of motions of the Earth?
- Rotation
- Revolution
