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science vocab
ch1 vocab
Question | Answer |
---|---|
astronomy | the study of the universe |
crust | outer layer of earth that covers mantle |
geogoly | the study of earth surface and interior |
hypothesis | possible explanation for an event or solution to a problem, which is based on information |
inner core | spherical center of earth,about 2800 km in diameter and made of solid iron and nickel |
mantle | the layer of rock in earth extending from he crust downward 2850 km |
meterology | the study of the worlds oceans |
outer core | the zone of earth's interior extending about 2100 km between earth's inner core and mantle and made of liquid iron and nickel |
photosynethesis | the process by which green plants manufacture sugars and starches from CO2 and H2O in the presence of sunlight |
protoplanet | hypothetical whorling gases masses within a gaint cloud of gas and dust rotatingaround a sun,protoplanets are thought to have given rise to planets and moons |