Unit 5 HW ?'s Flashcards
Which landforms are NOT typical in hot, dry climates?
round hills
Which of the following does NOT involve a chemical process that decomposes rock?
ice wedging
The layer of rock fragments that covers much of Earth’s surface is called….
regolith
Climates that have the fastest rates of weathering….
alternate between hot and cold
Which of the following is NOT a farming method that conserves soil?
crop dusting
The rock from which soil was weathered, and upon which the characteristics of soil mainly depend, is called…
parent rock
When a rock’s exposure to weathering agents increases…
the rock weathers faster
The various layers of soil-topsoil, subsoil, and bedrock can be viewed and studied through…
a soil profile
Soil characteristics of desert and arctic regions are..
thin and nutrient-poor
In which of these evets is gravity a factor in erosion?
slump
A river system begins to form in a given area when..
precipitation exceeds evapotranspiration
What happens over time as a stream’s channel erodes?
The stream becomes a river
When precipitation exceeds evapotranspiration and runoff,
soil becomes moist and flooding is possible
Which of the following factors affect the water budget?
temperature, vegetation, wind, and rainfall
Which of the following are stages of the water cycle?
evapotranspiration, condensation, precipitation
Why do people choose to live in floodplains?
there is access to fishing and the soil is rich
Which of the following is a method of water conservation?
enforcing conservation laws
Which of the following affect erosion caused by a river?
discharge and gradient
Which of the following is a direct method of flood control?
a dam
A lake forms when..
precipitation collects in a depression
Rock or sediment with low porosity is characterized by..
poorly sorted particles of different sizes
Groundwater flows downward because of…
gravity
The zone of aeration lies between Earth’s surface and the….
water table
Weak acid formed by the passage of water through soil causes…
chemical weathering
Two land features formed by hot groundwater are hot springs and…
geysers
Two of the most important properties of aquifers that affects the flow of groundwater are porosity and…
permeability
The depth of the water table depends on…
all of the above: surface topography, the permeability of the aquifer, the amount of rainfall
A hole dug below the water level in order to bring water to the surface is called a(n)..
well
What is a natural flow of water to the surface where the surface dips below the water table?
spring
a sloping layer of permeable rock captured between two layers of impermeable rock is called a(n)..
artesian formation
Which of the following features form when tension and compression build under the surface of a flowing glacier?
crevasses
Ice in a glacier moves downslope in response to…
gravity
Which of the following features is caused by erosion rather than by deposition?
horn
A moraine is an example of a(n)…
unsorted glacial deposit
Which of the following are needed to form a salt lake? (consider what would cause a build-up of the concentration of dissolved sediment)
rapid evaporation rates
Cycles of partial melting and refreezing cause snow to change into grainy ice called…
firn
What is till?
unsorted glacial drift
Which of the following probably occurs before an ice age begins?
A rise in sea level
Which of the following does the Milankovitch theory consider to be a factor in the cause of glacial periods?
small changes in Earth’s orbit, tilt, and precession
Which of the following occurs when a glacier moves by basal slip?
deformed grains of ice slide over each other
The feature formed when sea level rises or land sinks is called a(n)…
submergent coastline
Rock particles that remain after deflation occurs often form..
desert pavement or stone pavement
Which of the following is the result of wave erosion?
sea cliff
During dune migration, sand moves over the dune crest and builds up on the…
slipface
The abrasive action of waves that reduces rocks to small pebbles and sand grains is called..
mechanical weathering
When an emergent coastline forms and it has a gentle slope, the coastline will feature…
long, wide beaches
which of the following causes a change in absolute sea level?
movement of tectonic plates
A longshore current produces sand deposits called..
spits and tombolos
Coastal lands can be preserved by…
slowing development
A sea cave forms when..
waves erode the base of a sea cliff
