Chapter 2 Flashcards
Consists of the sun and nine known planets, as well as other celestial bodies that orbit the sun
Solar system
A landmass above water on earth
Continent
The layers of gases immediately surrounding the earth
Atmosphere
The solid rock portion of the earths surface
Lithosphere
All parts of the earth where plants and animals live, including the atmosphere, the lithosphere, and the hydrosphere
Biosphere
The earths center, made up of iron and nickel the inner core is solid, and the outer core is liquid
Core
A rock layer about 1800 miles thick that is the earths core
Mantle
The thin rock layer making up the earths surface
Crust
The hypothesis that all continents were once joined into a supercontinent that split apart over millions of years
Continental drift
The continuous circulation of water amount the atmosphere, the oceans, and the earth
Hydrologic cycle
The water held the earths surface, often on and around the poles
Ground water
The level at which rock is saturated
Water table
A naturally formed feature on the surface of the earth
Landform
The hypothesis that all continents were once joined into a supercontinent that split apart over millions of years
Continental shelf
The difference in elevation of a landform the lowest point to the highest point
Relief
