Vocabulary
The movement of an object around another object.
Revolution
What are the four seasons of the year?
Winter, Spring, Summer, Fall
How many days does it take for the moon to orbit the sun?
365 Days of the year
The path of an object as it revolves around another object in space.
Orbit
What is the difference between a rotation and a revolution?
A rotation is a spin of an object in space around its own axis, then a revolution is the movement of an object in space around a second object. (Ex: The moon revolves around the Earth once a month.)
What angle is the Earth’s axis tilted at?
The Earth is slanted at a 23.5 degree angle.
The spinning motion of a planet on its axis.
Revolution
Why is it hotter at the equator than at the North and South Poles?
The Equator gets more consitant and direct Sun, than the North or South Poles.
Which motion causes day or night. Revolution or Rotation.
Earth's Rotation
An imaginary line that passes through a planet’s center and its north and south poles, about which the planet rotates.
Axis
When it is Summer in the Southern Hemisphere, what month is it in the Northern Hemisphere?
It is winter in the N. Hemisphere.
In June, there are fewer hours of daylight and less direct sunlight in the _____________________________________.
A. Southern Hemisphere
B. Northern Hemisphere
C. Western Hemisphere
D. Eastern Hemisphere
A. Southern Hemisphere
Either of the two days of the year on which the sun reaches its greatest distance north or south of the equator.
The Solstice
Why does Earth have four seasons.
Earth has seasons because its axis is tilted as it revolves around the sun.
Earth's orbit is a slightly elongated circle, or _____________________.
Ellipse