4 Major areas of Earth Science correct answers Astronomy, Meteorology, Geology,
Oceanography
Astronomy correct answers the study of objects beyond earths atmosphere
Meteorolgy correct answers The branch of earth science that studies the air that
surrounds out planet
Geology correct answers The study of materials that make up the earth and the
processes that form and change these materials
Oceanography correct answers The study of earths oceans when covers 3/4 of the
planet
Six subspecialties of earth science correct answers Climatology, Ecology, Paleontology,
Geochemistry, Hydrology, Tectonics
Climatology correct answers Studies patterns of weather over a long period of time.
Ecology correct answers studies habitats of organisms and how organisms interact with
each other and their environment
Paleontology correct answers Studies remains of organisms that once lived on earth
Geochemistry correct answers Studies earth composition and the processes that
change it
Hydrology correct answers studies water flow on and below the earth surface and
solutions to water pollution
Tectonics correct answers Study of the effects of internal processes on earth surface,
Earthquakes and mountain building
What are the 4 systems of the earth correct answers Lithosphere, hydrosphere,
atmosphere, biosphere
LIthosphere correct answers The rigid outer shell of the planet which includes the crust,
and the solid uppermost part of the layer below the crust, the mantle. There are two
kinds of crusts. the oceanic which is mostly basalt, and the continental which is mostly
granite.
Hydrosphere correct answers The water in the oceans, seas, lakes rivers, and glaciers,
as well as the water in the atmosphere, make up the hydrosphere. It is 97% salt water
and 3% fresh water.