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geography, 7th grade


The study of the physical features of the earth and its atmosphere and of human activity


An official count or survey of a population typically recording various details of individuals

Direct Observation

A research technique in which a researcher observes and records behavior or an event as it occurs.


The art of making maps

Aerial photography

Pictures taken by cameras in airplanes and satellites.


A scale-model of the earth

Map projections

A systematic presentation of the globe onto a flat map using a grid of lines of latitude and longitude


A flat representation of the earth or a portion of the earth; distorts distance, shape or size

Mercator projection

A map which accurately shows directions and shapes but distorts distance and size

Mollweide projection

An equal-area map which shows the correct size of landmasses in relation to other landmasses but distorts shape

Robinson projection

A map in which the lines of latitude and longitude almost intersect a right angles except near the edges; shows areas and distances with a high degree of accuracy

Azimuthal projection

A map which shows true compass directions; longitude lines are straight and latitude lines are circles; distorts shape and size more toward the outer edges.

Equidistant maps

A map which shows correct distances over a small section of the earth.


A map symbol which indicates what the map portrays.


A map symbol used to determine distance.

Directional indicator

A map symbol, such as an arrow indicating north, which shows direction


A map symbol which explains what the symbols, lines, and colors represent.


Numerical facts and figures compiled from data.


Educated guesses based on observations.


Pictorial illustrations of numerical data.


Pictorial illustrations of numerical data that represents the variation of a variable in comparison with that of one or more other variables.

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