Light and Dark
The percentages of earth in daylight and darkness at any given time.
What is 50/50?
The imaginary line that runs east-west through the center of the earth.
What is the equator?
The sphere that includes all life on earth.
What is the biosphere?
Spinning on an axis
What is rotation?
How far something is above the ground.
What is altitude?
The cause of day and night.
What is the rotation of the earth on its axis?
The angular distance north or south from Earth's equator.
What is latitude?
A layer of gasses that surround an object, held in place by gravity.
What is the atmosphere?
The path one object takes to travel around another object.
What is revolution?
A point-of-view directly above an object.
What is bird's eye-view?
If it is daytime in Kansas, it is this in China.
What is nighttime?
The angular distance east to west of the Prime Meridian.
What is longitude?
Earth's core, mantle and crust make up this sphere.
What is the geosphere?
A synonym for revolution.
What is orbit?
What is the North Star?
When the moon can be seen from earth.
Different times of the day and night, depending on the day.
The imaginary north-south line that runs through England.
What is the Prime Meridian?
All of the water on earth.
What is the hydrosphere?
These cause the changes in seasons.
The tilt of the earth and its revolution around the sun.
A period of the year identified by changes in hours of daylight and weather.
What are seasons?
The name and date of the shortest day of the year in the Northern Hemisphere.
What is the winter solstice, December 21?
Zero degrees latitude.
What is the equator?
Clouds are evidence of these two spheres interacting.
What are the atmosphere and the hydrosphere?
The side of the earth that is experiencing "day" at any given moment.
The angle that sunlight strikes a surface.
What is solar angle?