Will's science test
February
Terms
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- crust
- outermost layer of the earth
- mantle
- the plastic like layer of the earth found below the earths crust
- lithosphere
- the rocky layer of earth that contains the crust and upper mantle
- outer core
- liquid layer of the Earth's core
- inner core
- dense solid center of the Earth
- convection current
- The circular movement of heated materials to a coller area
- plate tectonics
- the study of how the lithospheric plates interact
- fault
- a crack in the Earth's plates along which movement occurs
- divergent boundary
- a place where two plates pull apart from each other
- transform boundary
- a place where two plates slip past each other in opposite directions
- weathering
- the process by which rocks are gradually broken down
- physical weathering
- the breakdown of large pieces of rocks into smaller ones, mainly by temperature and pressure changes
- chemical weathering
- process that breaks down rock through chemical reactions, causing a new substance to be formed
- oxidation
- the chemical change in which oxygen combines with other substances
- carbonation
- the process by which carbon dioxide dissolves in water
- organic materials
- Materials usually consist of compounds containing carbon
- inorganic materials
- refers to compounds that do not contain carbon
- strata
- specific layers of the Earth
- topsoil
- exposed top layer of the Earth's soil
- subsoil
- second layer of soil
- bedrock
- lowest layer , beaneath the subsoil
- equilibrium
- a state of rest or balance resulting from the equal action of opposing forces
- first principle
- the earth's layers are constantly in motion
- 2nd principle
- water is essential for life on earth
- 3rd
- the earth's atmosphere is constantly moving toward equilibrium
- 4th
- Earth was designed and carefully placed in the universe so that life could thrive on it