Questions And Answers
Triple Bottom Line
✓✓✓✓~ Where the environment, society, and economic perspectives are in balance
Physical Geology
✓✓✓✓~ Earths Materials: understand processes that operate on/beneath the surface
Historical Geology
✓✓✓✓~ Origin of Earth: development through time
Engineering Geology
✓✓✓✓~ Analysis of earth history and processes and the impact on human activities
Hydrosphere
✓✓✓✓~ Oceans, freshwater, glacial ice
Atmosphere
,✓✓✓✓~ Thin layer producing weather, climate
Biosphere
✓✓✓✓~ Includes all living things on Earth
Geosphere
✓✓✓✓~ Includes rocks, land forms, Earth's Interior
Earth's System
✓✓✓✓~ The link of the 4 spheres
Catastrophism
✓✓✓✓~ Shaping of the Earth's landscape by catastrophes
Uniformitarianism
✓✓✓✓~ The present is key to the past: what is happening now on Earth happened in the
past
Nebular Hypothesis
✓✓✓✓~ bodies in the solar system evolved from solar nebula
,Crust
✓✓✓✓~ Rigid solid made of silica minerals
Mantle
✓✓✓✓~ Plastic solid: magnesium-iron minerals
upper boundary 700C
core boundary 4000C
Core
✓✓✓✓~ liquid outer
solid inner
iron-nickle metal
Body Waves
✓✓✓✓~ travel through earths interior
Surface waves
✓✓✓✓~ travel on earths surface
, Earths interior
✓✓✓✓~ was determined through studying seismic waves
Rock Cycle
✓✓✓✓~ loop that changes one rock type to another
Igneous rock
✓✓✓✓~ formed from molten magma
the only rocks that can be dated
Weathering
✓✓✓✓~ creates sediments
Sedimentary Rock
✓✓✓✓~ Lithified sediments
Metamorphic Rock
✓✓✓✓~ produced from burial and heat
Relative Dating