ESC1000L

what is true of map projections?

- they can be selected so that they show particular aspects of a landmass most accurately - they may significantly distort the shapes of continents and oceans - all of the possible answers are correct - they are needed to portray the nearly spherical shape of the earth on a flat page. CORRECT ANSWER: all of the possible answers are correct.

what does a map scale of 1:24,000 describe?

CORRECT ANSWER: - a map where 1 in corresponds to 2,000 ft on the ground

the water table is lowered

CORRECT ANSWER: - during periods of drought

which of these map elements is not shown on an aerial photograph?

CORRECT ANSWER: - elevations and slope steepness

when does groundwater deposition occur?

CORRECT ANSWER: - when water evaporates, leaving a chemical sediment

which of the following show(s) the topography of a landscape?

- a landsat satellite image - a contour map - a digital elevation model - all of the possible answers are correct CORRECT ANSWER: - all of the possible answers are correct

the atmosphere may ___ solar radiation so that it does not reach the earth's surface

- scatter - reflect - absorb - all of the above CORRECT ANSWER: - all of the above

to show topography in a rugged, mountainous area, the most appropriate contour interval would be

CORRECT ANSWER: - 100 ft

Solar radiation is at its minimum for the northern hemisphere during the

CORRECT ANSWER: - December solstice

the public land survey system is used in all of the following states except

CORRECT ANSWER: - Massachusetts

A direction of 315° in the azimuth system corresponds to

CORRECT ANSWER: - Northwest

a benchmark is

CORRECT ANSWER: - a permanent marker on the ground that indicates location and elevation

The water table separates

CORRECT ANSWER: - a zone where all pores are saturated with water from one in which some are filled with air

groundwater is unique among all the erosional agents because it

CORRECT ANSWER: - carves landscapes from below the surface

Small tick marks (hachures) on contour lines indicate

CORRECT ANSWER: - depressions

by what process is groundwater erosion accomplished?

CORRECT ANSWER: - dissolution of soluble rock types

isotherms on weather maps differ from contour lines on topographic maps in that they

CORRECT ANSWER: - do not show changes in elevation

the outgoing radiation that leaves the earths surface is

CORRECT ANSWER: - infrared

the zero contour line is also known as

CORRECT ANSWER: - sea level

a good map must contain a way to accurately determine which of the following

- all of the possible answers are correct - direction between points shown on the map - location of points shown on the map - distance between points shown on the map CORRECT ANSWER: ALL OF THE POSSIBLE ANSWERS ARE CORRECT

Let's investigate the link between winds and surface ocean currents. The figure below is an idealized map of the prevailing winds across the globe. Notice that these winds are separated by latitude. You will investigate this further in the chapters on atmospheric circulation. what is the prevailing direction of the Atlantic Ocean currents?

- east and West

The amount of energy required to change the temperature of 1 kg of water 1°C is known as its

CORRECT ANSWER: - heat capacity

What most likely will happen if the water table is at the surface of the ground?

- water from a heavy rain will not be able to sink into the ground, causing flooding - small depressions will be filled with water - basement will flood - all of the possible answers are correct. CORRECT ANSWER: - all of the possible answers are correct.

Let's investigate the link between winds and surface ocean currents. The figure below is an idealized map of the prevailing winds across the globe. Notice that these winds are separated by latitude. You will investigate this further in the chapters on atmospheric circulation. what is the prevailing direction of the Pacific Ocean currents?

- west

a cone of depression

CORRECT ANSWER: - forms locally when a user removed groundwater

groundwater tends to flow in a direct path

CORRECT ANSWER: - from areas of high pressure to areas of low pressure

materials with high albedo include all of the following except

CORRECT ANSWER: - grass

Sinkholes typically have steep-walled sides because

CORRECT ANSWER: - gravity causes the roof of an area hollowed by solution to collapse

The total amount of thermal energy that an object absorbs or releases is known as

CORRECT ANSWER: - heat

properties required for a material to be an aquifer include

CORRECT ANSWER: - high porosity and high permeability

what may happen to a contaminant if it enters the groundwater in an area?

CORRECT ANSWER: - it may become a problem for those using groundwater for their homes

kentucky, Florida, Puerto Rico, and Jamaica are just a few places that exhibit outstanding examples on

CORRECT ANSWER: - karst landscapes

if the water table in an area drops below the level of stream channels,

CORRECT ANSWER: - stream levels will drop as water leaks from the stream into the ground.

what are the latitude/longitude and UTM systems used to describe?

CORRECT ANSWER: - the location of points on a globe

Which of the following best describes conduction?

CORRECT ANSWER: - the transfer of heat between molecules in solids

Information on the borders of a topographic map includes all except

CORRECT ANSWER: - the types of rocks present in the map area

The buildup of heat in a city as a result of human activities is referred to as

CORRECT ANSWER: - the urban heat island effect

groundwater is the part of the hydrosphere wherein water does which of the following?

- flows through fractures in bedrock - seeps into pores in sediment and rocks - may leak into the ground from streams - all of the possible answers are correct CORRECT ANSWER: all of the possible answers are correct

properties required for a material to be aquitard include

CORRECT ANSWER: - very low permeability

The wavelength of electromagnetic radiation that humans can perceive with their eyes is

CORRECT ANSWER: - visible

Let's investigate the link between winds and surface ocean currents. The figure below is an idealized map of the prevailing winds across the globe. Notice that these winds are separated by latitude. You will investigate this further in the chapters on atmospheric circulation. what is the prevailing direction of the Indian Ocean currents?

CORRECT ANSWER: - west

the earth radiates long wave radiation once it absorbs

CORRECT ANSWER: -shortwave solar energy

objects with higher temperatures

CORRECT ANSWER: have molecules that move at fast speeds, on average