Data formats and file extensions
Symbology/cartography
GIS acronyms
Vector Analysis tools
Raster/Imagery tools
100

This file extension denotes an ArcGIS Pro project file

What is aprx?

100

You should most likely use this color for streams and water bodies

What is blue?

100

GIS B.S. is the abbreviated name of that UMD degree program

What is the Geographic Information Science Bachelor of Science?

100

This tool creates a new vector dataset of polygons describing the area(s) of inclusion at a set distance from a feature or several features

What is Buffer?
100

This tool allows to change the cell size of a raster dataset

What is Resample / resampling?

200

A folder with a name ending in ".gdb" and a bunch of weird files in it

What is an Esri file geodatabase?

200

In ArcGIS Pro, this symbology mode allows you to color features using a quantitative color ramp

What is graduated colors?

200

GISP is the abbreviation for this professional credential

What is the Geographic Inofrmation Systems Professional certification?

200

This tool takes all input vector datasets and merges them together, creating a new output dataset with all the features, split at their computing intersections

What is Union?

200

This tool calculates the azimuthal direction faced by the terrain, along the line of greatest slope

What is Aspect?

300

This open vector format is structured into different computer files, including one file with a .dbf extension that stores attribute data.

What is the shapefile format?
300

In ArcGIS Pro, you would use one of these symbology modes to map the population of cities

What are graduated symbols or proportional symbols?

300

The 3 letters DEM stand for that type of dataset

What is a Digital Elevation Model?

300

This tool aggregates features based on a specific attribute. The output is a new vector dataset.

What is Dissolve?

300

This tools allows to change the values of a raster dataset, by mapping old values to new values, or grouping old values to new values

What is Reclassify?

400

This file format is used to represent geographic data in Earth browsers, such as Google Earth or Google Maps

What is the KML or Keyhole Markup Language format?

400

The image below is an example of this type of maps


What are dot density maps?

400

The abbreviation for this Census Bureau collection of datasets stands for "topologically integrated geographic encoding and referencing".

What are TIGER data?

400

This tool matches vector features from two datasets based on their geographical relationships

What is Spatial Join?

400

These tools allow to line up imagery data or scanned old maps to other GIS datasets

What are georeferencing tools?

500

This extension denotes a projection file, used for instance in the shapefile structure

What is prj?

500

The following image is an example of this type of map

What is an unclassed choropleth map?

500

This way of subdividing and referencing the land in the United States is abbreviated as PLSS

What is the Public Land Survey System?

500

In ArcGIS Pro, this tool creates a feature class containing points generated from the centroids of the input features or placed within the input features. 

What is Feature to Point?

500
These tools allow to seamlessly display/process together several raster datasets similar in nature but covering different extents

What are Mosaic tools?