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Earth
n/a
30
Geology
11th Grade
02/24/2011

Additional Geology Flashcards

 


 

Cards

Term
Sun
Definition
star that is the basis of the solar system and sustains life on Earth, source of heat and light
Term
Gravity
Definition
Natural force of attraction exerted by a body, tends to draw objects towards center of a body or force between 2 bodies
Term
Waves
Definition
graphic representation of the variation of such a disturbance with time
Term
Plate Tectonics
Definition
Theory that explains the global distribution of geological phenomena
Term
Trenches
Definition
Long steep-sided valley on the ocean floor
Term
Continental Drift
Definition
The movement, formation, or re-formation of continents described by the theory of plate tectonics
Term
Fault
Definition
A fracture in the continuity of a rock formation caused by a shifting or dislodging of the earth's crust
Term
Seismic Waves
Definition
wave that travels through Earth, often resulting of an earthquake or expolsion
Term
Body waves
Definition

waves that travel through the interior of the Earth

Preliminary waves of earthquakes with little destructive effect

S and P waves

Term
Surface Waves
Definition
waves that travel over the Earth surface, slow moving, most destructive
Term
Fossil
Definition
trace of an organism of a past geologic age, embedded and preserved in the earth's crust
Term
Paleontology
Definition

study of the forms of life existin in prehistoric or geologic times, represented by fossils

Term
Extinction
Definition
no longer existing
Term
Parts of the Water Cycle
Definition
  1. Evaporation
  2. Condensation
  3. Precipitation
Term
Climate
Definition
Meteorological conditions, including temperature, precipitation, and wind
Term
GreenHouse Effect
Definition
phenomenon whereby the earth's atmosphere traps solar radiation, caused by the presence of specific gases in the atmosphere, that allow sunlight to go through but not heat
Term
Pollution
Definition
act or process of polluting by discharge of harmful substances
Term
Erosion
Definition
group of natural processes by which material is worn away from the earth's surface
Term
Deposition
Definition
act of depositing, especially the laying down of matter by a natural process
Term
Types of Rocks
Definition
  1. Igneous - formed from molten rock that cooled
  2. Sedimentary - formed in layers from pressure
  3. Metamorphic - formed from older rocks under intense heat or pressure
Term
Layers of the Earth
Definition
  1. Inner core
  2. Outer core
  3. Mantle
  4. Crust
Term
Fossil Fuels
Definition
solid, liquid, or gaseous fuels formed in the ground after millions of years by chemical and physical changes
Term
Big Bang Theory
Definition
theory that the universe began in a single explosion billions of years ago
Term
Convergent Plate Boundaries
Definition
area where tectonic plates collide as they move towards each other, lead to folding or subduction
Term
Divergent Plate Boundaries
Definition
Place where tectonic plates move apart from each other, creating a gap filled by magma, or ridges
Term
Heliocentric Theory
Definition
Copernicus' theory that the Earth circles around the sun
Term
Lithosphere
Definition
Earth's crust and upper mantle
Term
Hydrosphere
Definition
All the water on the Earth's surface
Term
Star
Definition
giant object in space, that produces energy through nuclear fusion
Term
Tides
Definition
rising and falling of the oceans caused by the gravitional pull of the moon
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