Earth science

• geophysics


  study of the physical phenomena of the Earth such as

  -magnetic field

  -flow of heat from the interior

  -gravity
• seismology


  study of earthquakes
• Earth Science


  branch of science that deals with the study of solid earth
• lithosphere


  solid outer section of Earth, which includes Earth's crust
• atmosphere


  the mixture of gases that surrounds Earth
• Hydrosphere


  All the water at and near the surface of the earth, 97% of which is in oceans
• Limnology


  study of fresh water
• geology


  study of the lithosphere//transformation of Earth
• Physical Geology


  deals with the solid part of the earth's surface (soil,rocks,minerals)
• Historical Geology


  mainly concerned with HOW the earth has evolved by investigating its life forms through fossils
• Geomorphology


  study of nature,origin and processes of changes of landforms such as the rising and subsiding of continents and mountains.
• Geochemistry


  study of the chemical composition of the Earth and the laws governing the distribution of elements within Earth.
• Oceanography


  studies the different forms of water such as sea and oceans. Deals with the physical aspects of the oceans.
• physical geographers


  interested in tides,waves,currents and how water densities affect them.
• Chemical geographers


  Primarily concerned with the composition of sea water.
• Marine biologists


  closely examine all life forms in the ocean together with their

  environment
• Meteorology


  study of the earth's atmosphere
• Climatology


  study of the past and present climate concern with longer variation
• Meteorologist


  scientist who forecast only the daily weather carefully examines climates and all forms of atmospheric disturbances
• Astronomy


  deals with the objects in outer space including the sun,moon,stars,planets and other heavenly bodies.
• Geocentric Model


  earth is the centre of the universe
• Heliocentric Model


  Sun is the centre or the universe
• Sun


  a star composed of hydrogen,helium,oxygen
• Terrestrial planets


  mercury,venus,earth,mars
• Asteroid belt


  located between mars and jupiter and is composed of stagnant rocks
• Jovian planets


  Jupiter,Saturn,Uranus,Neptune
• Comet


  comes from jupiter and beyond
• Meteoroid


  Outside the earth
• Meteor


  inside the earth's atmosphere
• meteorite


  already in the surface of the earth
• Mercury


  420 degrees celsius and up
• Venus


  hottest planet//twin size of the earth
• earth

  composed of the atmosphere,hydrosphere,lithosphere,cryosphere
• Mars


  red planet//presence of iron
• Jupiter


  largest planet
• Saturn


  abundance of rings

  7 rings = 2 groups

  30 moons
• `Uranus


  "telescope"- William Herschel
• Neptune


  discovered also by a telescope
• apparent


  subjective
• absolute


  objective