Unit 5 HW ?'s

Question 1

Which landforms are NOT typical in hot, dry climates?

Answer 1

round hills

Question 2

Which of the following does NOT involve a chemical process that decomposes rock?

Answer 2

ice wedging

Question 3

The layer of rock fragments that covers much of Earth’s surface is called….

Answer 3

regolith

Question 4

Climates that have the fastest rates of weathering….

Answer 4

alternate between hot and cold

Question 5

Which of the following is NOT a farming method that conserves soil?

Answer 5

crop dusting

Question 6

The rock from which soil was weathered, and upon which the characteristics of soil mainly depend, is called…

Answer 6

parent rock

Question 7

When a rock’s exposure to weathering agents increases…

Answer 7

the rock weathers faster

Question 8

The various layers of soil-topsoil, subsoil, and bedrock can be viewed and studied through…

Answer 8

a soil profile

Question 9

Soil characteristics of desert and arctic regions are..

Answer 9

thin and nutrient-poor

Question 10

In which of these evets is gravity a factor in erosion?

Answer 10

slump

Question 11

A river system begins to form in a given area when..

Answer 11

precipitation exceeds evapotranspiration

Question 12

What happens over time as a stream’s channel erodes?

Answer 12

The stream becomes a river

Question 13

When precipitation exceeds evapotranspiration and runoff,

Answer 13

soil becomes moist and flooding is possible

Question 14

Which of the following factors affect the water budget?

Answer 14

temperature, vegetation, wind, and rainfall

Question 15

Which of the following are stages of the water cycle?

Answer 15

evapotranspiration, condensation, precipitation

Question 16

Why do people choose to live in floodplains?

Answer 16

there is access to fishing and the soil is rich

Question 17

Which of the following is a method of water conservation?

Answer 17

enforcing conservation laws

Question 18

Which of the following affect erosion caused by a river?

Answer 18

discharge and gradient

Question 19

Which of the following is a direct method of flood control?

Answer 19

a dam

Question 20

A lake forms when..

Answer 20

precipitation collects in a depression

Question 21

Rock or sediment with low porosity is characterized by..

Answer 21

poorly sorted particles of different sizes

Question 22

Groundwater flows downward because of…

Answer 22

gravity

Question 23

The zone of aeration lies between Earth’s surface and the….

Answer 23

water table

Question 24

Weak acid formed by the passage of water through soil causes…

Answer 24

chemical weathering

Question 25

Two land features formed by hot groundwater are hot springs and...

Answer 25

geysers

Question 26

Two of the most important properties of aquifers that affects the flow of groundwater are porosity and...

Answer 26

permeability

Question 27

The depth of the water table depends on...

Answer 27

all of the above: surface topography, the permeability of the aquifer, the amount of rainfall

Question 28

A hole dug below the water level in order to bring water to the surface is called a(n)..

Answer 28

well

Question 29

What is a natural flow of water to the surface where the surface dips below the water table?

Answer 29

spring

Question 30

a sloping layer of permeable rock captured between two layers of impermeable rock is called a(n)..

Answer 30

artesian formation

Question 31

Which of the following features form when tension and compression build under the surface of a flowing glacier?

Answer 31

crevasses

Question 32

Ice in a glacier moves downslope in response to...

Answer 32

gravity

Question 33

Which of the following features is caused by erosion rather than by deposition?

Answer 33

horn

Question 34

A moraine is an example of a(n)...

Answer 34

unsorted glacial deposit

Question 35

Which of the following are needed to form a salt lake? (consider what would cause a build-up of the concentration of dissolved sediment)

Answer 35

rapid evaporation rates

Question 36

Cycles of partial melting and refreezing cause snow to change into grainy ice called...

Answer 36

firn

Question 37

What is till?

Answer 37

unsorted glacial drift

Question 38

Which of the following probably occurs before an ice age begins?

Answer 38

A rise in sea level

Question 39

Which of the following does the Milankovitch theory consider to be a factor in the cause of glacial periods?

Answer 39

small changes in Earth's orbit, tilt, and precession

Question 40

Which of the following occurs when a glacier moves by basal slip?

Answer 40

deformed grains of ice slide over each other

Question 41

The feature formed when sea level rises or land sinks is called a(n)...

Answer 41

submergent coastline

Question 42

Rock particles that remain after deflation occurs often form..

Answer 42

desert pavement or stone pavement

Question 43

Which of the following is the result of wave erosion?

Answer 43

sea cliff

Question 44

During dune migration, sand moves over the dune crest and builds up on the...

Answer 44

slipface

Question 45

The abrasive action of waves that reduces rocks to small pebbles and sand grains is called..

Answer 45

mechanical weathering

Question 46

When an emergent coastline forms and it has a gentle slope, the coastline will feature...

Answer 46

long, wide beaches

Question 47

which of the following causes a change in absolute sea level?

Answer 47

movement of tectonic plates

Question 48

A longshore current produces sand deposits called..

Answer 48

spits and tombolos

Question 49

Coastal lands can be preserved by...

Answer 49

slowing development

Question 50

A sea cave forms when..

Answer 50

waves erode the base of a sea cliff