science vocabs
Terms
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- geologist
- a scientist that deals with the history of the earth and its life especially as recorded in rocks
- rock
- consolidated or unconsolidated solid mineral matter
- continent
- one of the six or seven great divisions of land on the globe
- crust
- the outer part of a planet, moon, or asteroid composed essentially of crystalline rocks
- pressure
- the action of a force against an opposing force
- mantle
- the part of the interior of a terrestrial planet and especially the earth that lies beneath the crust and above the central core
- basalt
- a dark gray to black dense to fine-grained igneous rock that consists of basic plagioclase, augite, and usually magnetite
- sonar
- a method or device for detecting and locating objects especially underwater by means of sound waves sent out to be reflected by the objects; also : a device for detecting the presence of a vessel (as a submarine) by the sound it emits in water
- density
- the quantity per unit volume, unit area, or unit length: as a : the mass of a substance per unit volume
- Pangaea
- hypothetical land area believed to have once connected the landmasses of the southern hemisphere with those of the northern hemisphere
- fossil
- preserved from a past geologic age
- convection
- the transfer of heat by convection
- subduction
- the action or process of the edge of one crustal plate descending below the edge of another
- radiation
- the process of emitting radiant energy in the form of waves or particles
- conduction
- transmission through or by means of a conductor; also : the transfer of heat through matter by communication of kinetic energy from particle to particle with no net displacement of the particles