Top 200 Vocabulary Word List for AP Human Geography | Must Know Words for Common Examination Instructions

The 200-word examination instruction list

AP Human Geography asks you to describe where a pattern occurs, explain the process behind it and apply a model to a specific place. Start with the map legend and scale of analysis. When a question asks for explanation, connect the mapped pattern to a plausible geographic process.

Start with the words below or jump to exam requirements, worked examples, the Fencing Method or practice. The list includes response verbs and subject terms that help you understand the question.

Essential instructions

No.	Instruction or term	Meaning or action
1	Identify	Name the requested item or feature directly.
2	Describe	Report the relevant features, sequence or pattern.
3	Explain	Connect the result to a cause, mechanism or principle.
4	Compare	Use the same basis for both cases and state the relevant relationship.
5	Justify	Connect specific evidence or a rule to the answer you give.
6	Interpret	Explain what the result means in the scenario.
7	Evaluate	Judge the claim, design or result against a stated or relevant criterion.
8	Support	Give evidence that strengthens the named claim.
9	Predict	State the outcome expected under the supplied conditions.
10	Determine	Use the information given to reach the requested result.
11	Select	Choose the option that meets the stated condition.
12	Calculate	Use the supplied values and the relevant relationship to produce a result.
13	Analyze	Break the information into relevant parts and explain how they relate.
14	Fully digital	Use Bluebook for the tasks and responses as the course directions require.
15	Free-response question	Produce your own answer and complete each labelled task.
16	Multiple-choice question	Select the answer that satisfies the full stem and any limiting words.
17	Stimulus	Use the figure, extract or other material attached to the question.
18	Answer each subpart	Treat each lettered instruction as a separate job.

Geography commands, maps and spatial processes

No.	Instruction or term	Meaning or action
19	Describe a spatial pattern	Locate where the feature is clustered, dispersed or concentrated and give a comparison.
20	Explain a spatial relationship	Link the pattern of one feature to another using a geographic process.
21	Apply a geographic model	Use the model’s logic to account for the stated place or case.
22	Compare scales of analysis	Explain how the pattern changes when data are grouped at local, national or wider levels.
23	Use a stimulus	Extract a specific detail from the named map, image, graph or table.
24	Interpret a landscape	Identify visible features and use them as evidence of a process.
25	Choropleth map	Interpret how shading represents values aggregated over mapped areas.
26	Dot density map	Use dot patterns to infer distribution while checking what each dot represents.
27	Proportional symbol map	Read symbol size as a measure of the quantity at the location.
28	Cartogram	Recognise that areas are resized to reflect the variable represented.
29	Reference map	Use mapped features and locations for orientation.
30	Thematic map	Use the legend to interpret the mapped subject or relationship.
31	Map scale	Relate a distance on the map to the corresponding ground distance.
32	Scale of analysis	Identify the geographic level at which the data are grouped or studied.
33	Geographic information system	Use digital geographic layers to examine spatial relationships.
34	Remote sensing	Collect information about the surface from a distance, for example with a satellite.
35	Absolute location	Specify a position using a fixed reference such as coordinates.
36	Relative location	Describe a position in relation to other features.
37	Site	Describe physical or local characteristics of a place.
38	Situation	Describe where a place lies in relation to other places and networks.
39	Formal region	Identify an area defined by a shared measurable characteristic.
40	Functional region	Identify an area organised around a node and its connections.
41	Perceptual region	Identify an area defined by perceptions or shared mental boundaries.
42	Spatial distribution	Describe how the features are arranged across the area.
43	Distance decay	Explain how interaction tends to diminish as separation increases.
44	Time–space compression	Explain how faster connections reduce the effective separation between places.
45	Contagious diffusion	A feature spreads through proximity or direct contact.
46	Hierarchical diffusion	A feature spreads through a ranked network of places or people.
47	Stimulus diffusion	An underlying idea spreads and is adapted locally.
48	Relocation diffusion	People carry an idea or practice to a different place.
49	Arithmetic density	Divide total population by total land area.
50	Physiological density	Divide total population by arable land area.
51	Agricultural density	Divide the number of farmers by the amount of arable land.
52	Rate of natural increase	Compare births and deaths while excluding migration.
53	Demographic transition	Use the model to explain changes in birth and death rates over time.
54	Population pyramid	Compare the sizes of age and sex cohorts to infer demographic patterns.
55	Dependency ratio	Compare conventionally defined dependent age groups with the working-age group.
56	Net migration	Subtract the number leaving from the number arriving in the area.
57	Push factor	A condition that encourages people to leave their place of origin.
58	Pull factor	A condition that attracts people to a destination.
59	Intervening obstacle	A barrier that makes a move harder or less feasible.
60	Chain migration	A move encouraged or supported by earlier migrants and their social networks.
61	Remittance	Money or resources sent by migrants to people in another location.
62	Cultural landscape	Visible features showing how people shape a place over time.
63	Cultural hearth	An origin area from which a cultural practice or innovation spreads.
64	Lingua franca	A common language used by speakers of different first languages.
65	Syncretism	Elements of different traditions combine into a new or blended form.
66	Nation	A group linked by a shared identity and often by a homeland.
67	State	A territorially organised political entity with a government and sovereignty.
68	Nation-state	A state whose territory and population align substantially with a nation.
69	Devolution	Central authority transfers power to regional or local institutions.
70	Supranational organisation	An organisation through which states cooperate and may share decision-making authority.
71	Centripetal force	A factor that tends to strengthen unity within a state.
72	Centrifugal force	A factor that tends to weaken unity within a state.
73	Subsequent boundary	A boundary established after a cultural landscape has developed.
74	Superimposed boundary	A boundary imposed across an existing cultural landscape, often by outside powers.
75	Intensive agriculture	Uses relatively high inputs of labour or capital per unit of land.
76	Extensive agriculture	Uses relatively low inputs per unit of land and often covers large areas.
77	Commercial agriculture	Farming primarily to sell products in a market.
78	Subsistence agriculture	Farming primarily to meet the needs of the producer’s household or community.
79	Von Thünen model	Use transport costs and land rent to explain idealised agricultural zones around a market.
80	Commodity chain	Trace production, processing, distribution and consumption across places.
81	Central place theory	Use settlement hierarchy, range and threshold to explain the distribution of services.
82	Range of a service	The maximum distance consumers are generally willing to travel for it.
83	Threshold population	The minimum customer base typically needed to sustain a service.
84	Rank-size rule	Compare a city’s population with the size predicted from its national rank.
85	Primate city	A leading city disproportionately large or influential within its urban system.
86	Suburbanisation	Movement of people or activities from the central city toward suburban locations.
87	Urban sprawl	Low-density outward expansion of built-up land.
88	Gentrification	Reinvestment and higher-income in-migration that can raise costs and displace existing residents.
89	Agglomeration	Clustering of activities where proximity can reduce costs or improve access to workers and suppliers.
90	Economies of scale	Average cost per unit can decline as production increases.
91	Comparative advantage	Explain specialisation using lower opportunity cost.
92	Human Development Index	Compare development using measures of health, education and income.
93	Gross domestic product per capita	Divide domestic production value by population for the period.
94	Informal economy	Economic activity operating outside some formal registration or regulatory arrangements.
95	Uneven development	Compare how economic opportunities or living standards differ across places.

Sources, evidence and comparisons

No.	Instruction or term	Meaning or action
96	Trend	The broad direction or pattern over a range.
97	Pattern	A regularity visible across observations or examples.
98	Read the axes	Identify the quantities, units and intervals on a graph before using a value.
99	Table	Information arranged in rows and columns.
100	Graph	A visual display of data or a mathematical relationship.
101	Diagram	A drawing showing features, structure or relationships.
102	Scale	The intervals or measurement relationship used in a display.
103	Unit	The standard attached to a measurement, such as minutes or metres.
104	Calculate a rate	Divide the relevant change or quantity by the appropriate time or other denominator.
105	Rate of change	Find the change in one quantity per unit change in another.
106	Unit rate	Calculate the amount corresponding to one unit of the other quantity.
107	Calculate the percentage change	Divide the change by the starting value and multiply by 100.
108	Per capita	Divide the total by the number of people represented.
109	Percentage point	Find the simple difference between two percentage values.
110	Direction of change	State whether the quantity increases, decreases or stays unchanged.
111	Magnitude	The size of a quantity, considered separately from direction.
112	Ratio	Compare two quantities by division in the order specified.
113	Relative change	Divide the difference by the initial value when that baseline is meaningful.
114	Initial value	The value at the stated starting point.
115	Final value	The value at the stated end point.
116	Unit conversion	Use a conversion factor to change the units while keeping the quantity the same.
117	Baseline scenario	Use the stated reference case against which an intervention is compared.
118	Source credibility	Assess which features make the source useful for the claim being made.
119	Perspective	Explain the viewpoint from which a claim or event is presented.
120	Bias	Identify a systematic leaning and explain how it may shape the evidence.
121	Correlation	Describe how variables vary together within the data.
122	Causation	Explain how one factor produces a change in another when evidence supports it.
123	Confounding factor	Identify a factor that could contribute to the apparent relationship.
124	Representative sample	Check whether the selected cases reflect the population of interest.
125	Model	Use a simplified mathematical or conceptual representation to address the task.
126	Alternative explanation	Consider a different reason that could account for the same observation.
127	Reference site	Use a comparable site to interpret the condition at the site under study.
128	Environmental justice	Examine how environmental risks, benefits and decision-making are distributed.
129	Trade-off	Explain what improves and what may worsen when the same option is adopted.
130	Environmental indicator	Use a measurable feature as evidence about environmental condition.
131	Carrying capacity	Identify the population that the environment can sustain under stated conditions.
132	Population doubling time	Estimate the time for a population to double under a stated growth model.
133	Ecosystem service	Name a benefit people receive from ecosystem processes.
134	Soil erosion	Describe soil being removed or transported by water, wind or another agent.
135	Desertification	Identify land degradation in drylands.
136	Overgrazing	Explain how grazing faster than vegetation can recover damages land.
137	Ecological footprint	Estimate the biologically productive area needed to support specified consumption and absorb associated wastes under the method used.
138	Renewable resource	Identify a resource replenished on the relevant human timescale.
139	Nonrenewable resource	Identify a finite resource replenished too slowly for the relevant human timescale.
140	Impervious surface	Identify a surface that substantially limits infiltration.
141	Watershed	Identify the land area draining to a named water body or outlet.
142	Runoff	Track water moving over land and the substances it can carry.
143	Infiltration	Describe water entering the soil surface.
144	Mitigation	Reduce a harmful impact or its underlying cause.
145	Adaptation	Adjust practices or systems to manage existing or expected effects.
146	Scope of evidence	Check whether the evidence applies to the people, time or situation named.
147	Compare both	Keep each named text, case or object visible across the same comparison points.
148	Explain one way	Give one specific example and show how it meets the stated condition.
149	Change over time	Explain what shifted across the named years and how it shifted.
150	Historical comparison	Use the same criteria to compare the specified cases.
151	Point of view	Identify the standpoint influencing how the source presents events.
152	Interpretation of findings	Choose a conclusion that fits the measurements and the study design.
153	Most consistent with the results	Choose the interpretation that fits the reported evidence.
154	Source attribution	Identify the source when paraphrasing, quoting or using its information.
155	Warranted inference	Choose an inference that has adequate support in the text.
156	Use the scale of the display	Check axis intervals and group labels before comparing.
157	Estimate from the graph	Use the plotted trend to obtain a sensible approximate value.
158	Compare the distributions	Use corresponding measures of location or spread as the question asks.
159	Difference versus association	Distinguish a numerical group contrast from an inference about the relationship.

Other useful wording

No.	Instruction or term	Meaning or action
160	Contrast	State a difference between the named cases on a common basis.
161	Estimate	Give a reasonable approximate value from the information provided.
162	Define	State the meaning of the term with its essential features.
163	Give one	Supply one relevant answer that meets the task.
164	Indicate	Point to or state the feature the prompt asks for.
165	Complete	Fill the missing parts while preserving the given structure.
166	Label	Attach clear names, units or symbols to the requested features.
167	Construct	Produce the specified representation using the information given.
168	Sketch	Show the required shape, relationships and labels.
169	Plot	Place the supplied points on the correct axes and scale.
170	Outline	Give the main steps or features in a logical order.
171	Infer	Draw a conclusion supported by the clues or evidence supplied.
172	Suggest	Offer a plausible answer that fits the scenario and constraints.
173	Distinguish	Name the feature that separates two easily confused ideas.
174	Demonstrate	Show that a stated claim follows by giving appropriate steps or an example.
175	Check	Test the proposed result against the original conditions.
176	Quantify	Give the magnitude of the change or relationship with units where relevant.
177	Represent	Express the same information in the requested form.
178	Evidence	A relevant observation, value, result or example that supports a claim.
179	Claim	A statement that can be tested or supported.
180	Assumption	A condition treated as true for the purpose of the reasoning.
181	Constraint	A restriction the answer must satisfy.
182	Criterion	The rule or standard used to judge whether a choice works.
183	Condition	A requirement or circumstance that affects the conclusion.
184	Conclusion	The result of the reasoning stated in the question’s context.
185	Exception	A case that departs from the stated rule.
186	Counterexample	A case that disproves a general claim.
187	At least	Includes the named value and every larger eligible value.
188	At most	Includes the named value and every smaller eligible value.
189	Exactly one	Allow one qualifying case and exclude zero and all cases with two or more.
190	Each	Apply the instruction separately to every item named.
191	All	Cover every eligible item in the group.
192	Any	Check whether the wording means one eligible item or any eligible choice.
193	Refer to	Use the specified passage, figure or notes when responding.
194	Based on	Ground the answer in the material named in the question.
195	According to	Use what the specified source says.
196	In context	Use the meaning that fits this passage or situation.
197	Most likely	Choose the conclusion with the strongest support among the options.
198	Best supported	Prefer the conclusion backed most directly by the evidence.
199	Explicit	Stated directly in the source.
200	Implicit	Suggested by the source and recoverable from clues.

What the AP Human Geography exam requires

College Board lists the regular 2027 examination for May 3. Fully digital. Complete both sections in Bluebook.

Section	Format and weighting
I · Multiple choice	60 questions in 60 minutes, worth 50%. Roughly 30–40% refer to a stimulus such as a map, table, graph, image or landscape.
II · Free response	3 questions in 75 minutes, worth 50%. One has no stimulus, one has one stimulus, and one has two. At least one asks for analysis across geographic scales.
Calculator policy	College Board’s calculator policy does not allow a calculator on this exam except for students with an approved four-function calculator accommodation.

AP is a U.S.-based examination programme taken in the United States and internationally. If you sit the exam outside the United States, confirm the local reporting time and registration arrangements with your school or testing centre. Study the exact course and exam year, and practise in Bluebook before your first full timed simulation.

Read the mapped quantity first

A map of total migrants answers a different question from a map of migrants per thousand residents. Large cities may have high totals because more people live there. Read the denominator, classification and boundary units before saying a place has the highest migration rate.

Worked examples for common exam instructions

Describe a mapped pattern, then explain it

Prompt. A map shows logistics warehouses clustered around motorway junctions on the urban edge. Describe the pattern and explain one reason for it.

Answer. Warehouses are concentrated near edge-of-city junctions and are less common in the centre. Junction access can lower travel time to regional markets, while larger peripheral sites can accommodate loading yards.

The location and the comparison describe the pattern. Access and land availability explain why it could occur.

Compare across scales

Prompt. A national map classifies a coastal province as high density. A neighbourhood map shows sparse settlement inland and dense settlement along its coast. Explain the difference.

Answer. The province map aggregates population and area into a single density value. The neighbourhood map separates coastal clusters from the sparsely settled interior. Both patterns can be true because the units of analysis differ.

The relevant scale is the size of the geographic units used to report the values.

Use two stimuli to explain a relationship

Prompt. A rail map shows a new station near one town. A second map shows new housing concentrated within walking distance of that station. Explain one possible relationship.

Answer. Rail access reduces commuting time for households near the station, which can raise demand for nearby housing. The location of development in the second map is consistent with that mechanism.

A coincident pattern does not rule out zoning changes, land availability or other influences. Use the supplied evidence and limit the claim accordingly.

Calculate a density and interpret it

Prompt. Region A has 800,000 residents and 4,000 square kilometres of arable land. Region B has 600,000 residents and 2,000 square kilometres of arable land. Calculate and compare physiological density.

Answer. Region A has 200 residents per square kilometre of arable land. Region B has 300. Region B has more people per unit of arable land despite having fewer residents in total.

This comparison measures population relative to arable land. It does not establish food shortages without additional evidence.

Use the Fencing Method to build an answer

Start with a small task you can answer accurately. Add a detail that fixes the answer to the scenario. Then add the reason, evidence or comparison required by the verb. Practise transferring the same structure to a fresh example.

Start. Housing clusters near stations.

Add context. Most new housing in the map lies within walking distance of two rail stops.

Add the reasoning. Station access can reduce commuting costs, increasing demand for housing in accessible neighbourhoods.

Transfer. Try the same method with warehouses near a port. Change the reason to reflect freight access and name the location shown by the stimulus.

Practise with the 200 terms

Pick three terms with different answer formats. Cover the meanings and say what you would need to write. In each answer, mark the exact phrase that performs the command. When a prompt has two verbs, check that both are visible in the response.

Distinguish scale terms

Try it. A city map shows 1 cm represents 1 km, and its income data are grouped by neighbourhood. Identify the map scale and scale of analysis.

Check. The map scale is 1 cm to 1 km. The scale of analysis is the neighbourhood, the unit at which income data are grouped.

Practise typing one timed response in Bluebook or a plain text editor. Review a released question with its scoring guidance, then check where your own answer directly links evidence to the specific claim or situation.

Frequently asked questions

How many map details should I mention?

Follow the prompt’s count and name the place, pattern and evidence that the question requests. If it asks for two details, select distinct observations and tie each to the named stimulus.

Does this list replace the scoring guidelines?

Use this list to interpret a prompt and plan an answer. Check the specific course and question’s scoring guidance to see which details earn credit.

Official sources and next reading

College Board AP Human Geography exam information and released questions · 2027 AP exam schedule · AP calculator policy

AP exam command words · eduKateSG vocabulary learning guide · Learn the Fencing Method