What is Earth Science
The four main systems Earth is divided into
biosphere, atmosphere, hydrosphere, geosphere
an imaginary line of longitude that runs through Greenwich, London, and England, with a value of 0 degrees
prime meridian
Direction longitude runs
north to south
Trades that benefit from seabeam technology
drilling, fishing, underwater welding
Third planet from the sun
Earth
Contains all living things
biosphere
Direction latitude runs
east to west
Width in degrees of each time zone
15 degrees longitude
SONAR stands for
Sound navigation and ranging
Three compositional layers of Earth
crust, mantle, core
atmosphere
Number of time zones Earth is divided into
24
Map that tells us detailed information about the geology of land, including the distribution of materials at or near the Earth's surface.
geologic map
GIS stands for
Geographic information system
Layers of the atmosphere
troposphere, stratosphere, mesosphere, thermosphere, exosphere
Makes up Earth's structure, crust, mantle, core
geosphere
Two things you need to determine precise location
latitude and longitude
a small box or table on a map that explains the meaning of the symbols, colors, lines, labels, icons, and shapes used to represent geographic data
map legend
GPS stands for
global positioning system
Covers 70% of Earth's surface
ocean
All the water on Earth
hydrosphere
an imaginary line that divides a planet, like Earth, into the Northern and Southern hemispheres. It's located at 0 degrees latitude, halfway between the North and South poles,
equator
the ratio of a distance on the map to the corresponding distance on the ground
map scale
Devices that we use to gather data about features on Earth's surface?
GIS, GPS, Jason-3 Sat.