Chapter 1-6 Review Flashcards
Dependent variable
The variable observed to determine the results of an experiment
Crevasses
Deep crack or fissure that develop on the surface of a glacier
The main agent of chemical weathering
Water
Drumlin
A hill from a glaciers overruns old till
Anomaly
A fossil that is found in the wrong time period of a strata layer
Continental Slope
a sharp drop off after the sandy underwater plain
Polystrate fossil
A fossil found through multiple strata
Luster
How light is reflected from a mineral
Modified Mercalli Scale
Earthquake scale that is based on the effects on people and structures
Theistic evolution
The attempt to combine evolution and the Bible
Cro-Magnon man
Supposed missing link, however was a “modern” human
The type of dune that has several out reaching arms
Star dune
What was responsible for most of the sediment rock layers?
The Flood
Exfoliation
The breaking away or peeling of rock into layers
Karst regions
Vast areas of exposed limestone
Gravity corer
Brings up sediment samples
Strip Cropping
Planting alternating strips of different crops
The appearance of twin underwater mountain ranges
Rift
Load
Material carried by a stream
Mantle
The middle layer of the earth
The two factors that determine the density of seawater?
Salinity and temperature
Metamorphic rock
Rocks that have been “cooked” into something else
Atoll
A coral-reef island that grows around an underwater volcano
Uniformity
Earth’s natural laws have EXISTED all the time
Turbidity current
Ocean current that is mixed with mud or silt
A easy to maneuver robot connect to a support ship by cables
ROV
Sodium Chloride
The main salt in the ocean?
Hadal zone
A point in the sea deeper than 6000m
Tsunami
Large wave caused by underwater disturbance
A large valley in the deep ocean floor
Trench
How does the ocean get its color?
That is its natural color
Why does ice float?
It is less dense than water
Sonar
Sound waves underwater used for navigation
Upwelling
Occurs when a breeze blows water away from the coast
Expendable bathythermograph
Takes temperatures at various depths and sends info back
The mass of foaming water formed when waves wash up onto the beach?
Surf
A wave that gets too tall and topples over
Breaker
Gyer
The circular path that currents follow
Radiometric Dating
used to assign absolute ages to rocks
Challenger Deep or Mariana Trench
The deepest know point in the ocean
Cranial capacity
The volume of the portion of the skull that holds the brain
Soil creep
The slow downhill movement of soil
Diurnal tide
Only one high tide and one low tide each day
Top soil
The top layer of soil
Natural selection
The strongest and fittest survive
Obsidian
Glass-like igneous rock that breaks with sharp edges (Think arrowhead)
The largest group of minerals, composes 90% of crust?
Silicates
Composite volcano
alternating layers of lava and ash
Thrust fault
The rocks on one side are shoved on top of the other side
Repeatability
Duplicating an experiment multiple times
Seymoria
The supposed like of amphibians and reptiles
Conglomerate rock
consists of pebbles in hardened sand
Uranium
Fuel for nuclear reactors
Aftershocks
Small earthquakes after a main earthquake
A blue gemstone made of corundum with iron or titanium
Sapphire
Levee
Natural ridges formed from sediments along the edge of a river channel
Index fossil
used to date rock layers
Kilopascal
used to measure hydrostatic pressure
What are large holes formed when huge chunks of melting glacial ice lodged in sediments
Kettle
Uniformitarianism
The present is the key to the past
Rip current
Dangerous current that drags water through a break in a sandbar
What is the process of changing a slope into stairs
Terracing
