Definitions
Equator
A line of latitude that measures 0 degrees. It splits the Earth into Northern and Southern hemispheres.
What are the four seasons the Earth experiences?
Spring, Summer, Fall/Autumn, Winter
What are the four physical Systems?
Atmosphere, Biosphere, Lithosphere, Hydrosphere
Democracy
Rule of the majority
Island
completely surrounded by water
Prime Meridian
This is the main line of longitude that measures 0 degrees and splits the Earth into Eastern and Western hemispheres
The Earth is tilted at?
23.5 degrees
Define Atmosphere
The air we breathe - 78% nitrogen, 21% oxygen, 1% any other gases
Dictatorship
A single person with almost absolute power.
Peninsula
Surrounded by water on three sides
Hemisphere
One-half of the globe
What happens to the Earth in relation to the distribution of daylight as a result of the tilt?
The Earth experiences day and night at different times. Also, because of the tilt, some areas of the globe receive more direct sunlight than others
Define Hydrosphere
All the waters on the Earth - Lakes, Rives, ponds, groundwater, oceans, seas
Anarchy
The idea that the government is evil and unnecessary
Valley
An area of land with mountains or hills on either sides
Longitude
A line that runs from north to south
From the outside in, what are the layers of the Earth?
Crust, outer mantle, inner mantle, outer core, inner core
Define Biosphere
All living things on the Earth - Plants, animals, humans, organisms
Communism
This is an idea that we are all equal. It removes all social classes
Plateau
A flat area of high land with a sharp cliff on one side
Latitude
A line that runs from east to west
How are leap years formed?
The Earth's revolution takes 365 1/4 days. Every 4 years, the 1/4 days are added together and one additional day is added to the calendar. The year with the extra day is known as a leap year.
Define Lithosphere
All land on the Earth - Plains, Mountains, Valleys. Covers 30% of the globe.
Aristocracy
A small elite group of people making the decisions for the rest of the population.
Isthmus
A narrow strip of land joining two larger pieces of land together