Earth Science - 3A : Section Review Questions - sarahbiblecat

What kind of map is a globe?

a globe is a rounded map that shows the continents and oceans accurately

How does the detail of a large-scale map compare to that of a small-scale map?

a large scale map show a small area and a small scale map show a large area

(True or False) The location of any meridian can be adjusted to avoid dividing continents or island groups

false, meridian are always smooth semicircles connecting the North and South Poles

Earth Science - 3A : Section Review Questions - sarahbiblecat

free

Do you need visible landmarks to find your position on a map? Explain.

landmark aren't a necessity to fix a position but they can help

latitude and longitude. a. the name of the reference, or 0° line b. the range of possible values, including directions

latitude : equator ; 0° - 90° North and South longitude : Prime Meridian ; 0° - 180° East and West

How did drawing a map help Dr. John Snow save lives?

mapping the area that people died and the will they were using and drinking from

The invention of what instrument allowed sailors to accurately determine longitude?

sea going clock

What standard map feature explains symbols used for main highways, secondary roads, and unpaved roads?

the map legend

Why are maps often distorted?

trying to convert a 3D image into a 2D image

How is a map a model of the earth?

- a map is a simplified image of the earth's surface - a map does not show the earth's surface perfectly - distorted

What real-world distance does 1 inch equal on a map with a scale of 1:25,000?

25,000 in, 2,083 ft, or .039 mi