ACT科学词汇词汇表

strata tundra tsunami troposphere tropical tributary trench tornado tide texture stony stagnant snowslide slate silt shale seismograph seismic sediment sandstone runoff ridge rainfall quartz prairie pottery porous porcelain plateau perihelion ozone oceanography oasis mudstone moist mineral meteorology mesosphere Mediterranean marsh marine mantle magnetosphere longitude lithosphere limestone lava latitude lahar irrigate igneous rock hydrosphere hurricane hemisphere halo gypsum gravel granite glacial geyser geothermal geologist geologic geography fossil foreshock fen feeder fault estuary equator epipelagic elevation frigid ecliptic dune drought drainage basin downstream dolomite dew debris dam crust crater continental shelf concrete coastline clump clod basalt avalanche clay clast chilly channel calcite burrow bulk density blizzard bedrock Atlantic Ocean arid Arctic Ocean Arctic archaeology aphelion Antarctica Antarctic altitude bog abyss