Earth Science chapter 3

The _______ of a map is often expressed as the ratio of two numbers that indicate the relative size and detail of the features shown on the map

(map ) scale

Many maps have a __________ a boxed area where all of the symbols and colors used on the map are defined

(map) legend

3 evidences that convinced some ancient people that the earth was a sphere.

-Ships far out to sea gradually disappear below the horizon -Sometimes can be seen only from certain parts of the earth at the same time -During a lunar eclipse, Earth shadow on the moon is always round

What is the highest possible number for a longitude reading?

180 degrees

The Global Positioning System (GPS) requires at least __________ satellites for it to work correctly.

24

Which of these statements are true? a. A degree of longitude is about the same length anywhere along the meridian. b. A degree of longitude is about the same length anywhere along a parallel. c. A degree of latitude is about the same length anywhere along a meridian. d. A degree of latitude is about the same length anywhere along a parallel.

A degree of latitude is about the same length anywhere along a meridan.

Why are lines of latitude sometimes called parallels?

Because they appear parallel to the Equator when the globe is viewed from the side

Our GPS system is based on constellation of 4 satellites, strategically placed aroud the earth.

False

According to ___________ Creationists, God used the big ban to create the earth and the universe billions of years ago and has created life at a number of points since then.

Progressive

a map with a 1:23,000,000 scale would be considered a ______________ ______________ map

Small scale

Maps used by sailors to navigate at sea are properly called charts.

True

The International Date Line passes through

Western Pacific Ocean

Which of these could give you the most accurate geographic coordinates?

a GPS receiver

Which of these would most accurately show the true shape of a continent? a. an aerial map c. an oblique view map b. a globe d. There is no difference.

a globe

Which of these indicated to many educated people before the time of Christ that the earth was actually a sphere? a. a lunar eclipse c. a sunrise b. the changing tides d. all of these.

a lunar eclipse

Who would find benchmarks the most helpful in performing his job?

a surveyor

Which of these can be used to gather data for use in a GIS? 1. surveying 2. sonar 3. radar

all of these

One of the earliest maps in existence dates from the time of

ancient Babylonia

North, south, east and west are known as the ___________ directions.

cardinal

A person who creates maps is called a

cartographer

Your geographic _________ are the precise latitude and longitude values of your location

coordinates

_______________________ lines on a map connect points of equal elevation

countour

If you were standing at a point that has 0 degrees latitude, you would be standing on

equator

Distortion is more evident in large scale maps than in small scales maps.

false

GIS stants for global interactive system

false

In comparison to a map of the US, a map showing just the streets in your neighborhood would be a small scale map.

false

The Prime Meridian at Greenwich is at 0 degrees latitude.

false

at the time of Christ, most educated people still believed the earth was flat.

false

Maps of the polar regions often use a(n)

gnomic projection

State one way in which Progressive Creationism differs from a straightforward reading of the Bible.

it supports the idea that death occurred on earth long before the creation of Adam, but the bible says that Adam's sin brought death into the world.

In the GIS map for a city, railroad tracks would most likely be displayed using which data type? a. polygon c. line b. point d. numerical

line

The arrow on many maps points

north

A map projection with a point of contact in the center of North America would be a(n)

oblique projection

Which of these measures of latitude or longitude is about 60 nautical miles on the earth's surface at the Equator. a. one second c. one minute b. one degree d. one hour

one degree

What type of data would fire hydrants be created as on a GIS layer?

point

Sailors were unable to easily and accurately determine longitude until the invention of accurate ____________ __________

seagoing clocks

Which geometric shapes can be flattened into a plane by mapmakers?

spheres / cones / cylinders

Acoustic sensing would be most valuable in mapping ______________

the ocean floor

A map of the United States that is shaded to show the ranges of the gray wolf and the red wolf would be considered a _______________ map.

thematic

If you are in charge of creating the route for a new hiking trail through a mountainous region, you should start by using a _____________ map.

topographic

All meridians are halves of great circles, but only one parallel is a great circle.

true

Minutes and seconds were first defined as subdivisions of degrees, and later were borrowed to use as unit of time.

true

cartographers use map projections in transfer points from a sphere ( the earth) to a plane ( a flat map).

true