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Earth Science. What is the study of earth exactly?. What doesn’t it cover?. Earth science is going to cover a lot of things. The earth has lots of different systems that we will go through. The four main branches of earth science are Astronomy, Meteorology, Geology, and Oceanography

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earth science

Earth Science

What is the study of earth exactly?

what doesn t it cover
What doesn’t it cover?
  • Earth science is going to cover a lot of things.
  • The earth has lots of different systems that we will go through.
  • The four main branches of earth science are Astronomy, Meteorology, Geology, and Oceanography
  • Pretty much all Earth science can be put into one of these four branches
earth s systems
Earth’s Systems
  • To go along with the four main systems of the Earth Science, There are four systems that go as follows: the lithosphere, the hydrosphere, the atmosphere, and the biosphere.
  • Lithosphere: crust and mantle
  • Hydrosphere: water system
  • Atmosphere: gases surrounding the earth
  • Biosphere: All living organisms
astronomy
Astronomy
  • Stars, Aliens, Planets, Out of this world
  • The study of astronomy might not deal with aliens (we have not come up with evidential proof yet) but it does include everything that is not on our current planet.
  • Gotta use special instruments to study: space ships, telescopes, etc.
meteorology
Meteorology
  • The study of knowing with its going to rain (among other weather elements)
  • Meteorologists study the forces and processes that cause the atmosphere to change to produce weather.
  • They also try to “predict” what will happen next.
geology
Geology
  • Rocks! More and more rocks.
  • Geology is the study of the materials that make up Earth and the processes that form and change these materials.
  • Any rock collectors out there?
oceanography
Oceanography
  • You guessed it. This is the study of the ocean.
  • Why not though, it takes up 3/4ths of Earth’s surface
  • This is the study of the ocean in all that that encompasses (animal/plant life, chemical issues, currents, etc.)
measurements

Measurements!

Why are these important?

slide13
SI
  • SI stands for Systeme International d’Unites
  • Internationally, this is the system that we will use measure anything in science.
  • There are several things that get measured
  • Length, Mass, Volume/Area, Density, Time, Temperature
length
Length
  • Measured in Meters (m)
  • How long something is or the distance between two objects
slide15
Mass
  • Measured in grams (g)
  • The amount of matter in an object
  • Not the same as weight but similar
area volume
Area/Volume
  • Area is measured in m2
  • It is the amount of space on the surface something takes up.
  • Volume is measured in the milliliter (mL) or cm3
  • About of space something takes in 3D
density
Density
  • Amount of matter that occupies a given space
  • Doesn’t have a special unit to itself.
  • Labeled g/mL or g/cm3
  • Aka mass/volume
  • No tool to measure
slide18
Time
  • Internationally time is measured by seconds (s)
  • Usually is going to be measured by a watch or a timer
temperature
Temperature
  • In science we do no use the Fahrenheit scale. We use Celcius (C°)
  • We could also measure in Kelvin but that’s less important at the moment
  • Use a thermometer
goes by 10 s
Goes by 10’s
  • There are bigger and smaller units of each base units
  • Length-meter(m)
  • Mass- gram (g)
  • Volume- Liter (L)
  • Time- second (s)
  • Temperature- Celcius (C°)
  • Divisions by ten-
  • Mega- base x1,000,000
  • Kilo-base x 1,000
  • Deci- base/10
  • Centi- base/100
  • Milli- base/1000
  • Micro-base/1000000
  • Pico-base/1000000000
practice
Practice
  • 1 m = ? mm
  • 1ms= ? s
  • 1 ml = ? cL = ? L
  • 1 L = ? mm
  • HINT!
  • If you are getting bigger divide.
  • If you are getting smaller multiply