GIS is a computer tool for maps and data, GPS finds locations using satellites, and Remote Sensing uses cameras and sensors to take pictures of the Earth.
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Who uses Geographic Information Systems (GIS)?
Meteorologists, scientists studying natural environments, and city planners.
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What is VGI (Volunteered Geographic Information)?
It's location data shared by people, such as reporting a pothole in an app.
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What is Google Earth used for?
To see anywhere in the world using satellite images.
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What is the difference between Geolocation and Geotags?
Geolocation is finding a place on a map, while Geotags are location info attached to photos or posts.
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What is Cartography?
The art of making maps.
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What are the characteristics of a good map?
A good map is easy to read, has a title, legend, scale, and uses appropriate colors.
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What is the difference between Small Scale and Large Scale Maps?
Small Scale shows a big area, while Large Scale shows a small area with more details.
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What does RF (Representative Fraction) refer to in mapping?
It expresses the ratio of map distance to real distance.
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What are Reference Maps and Thematic Maps?
Reference Maps show real places (like road maps), while Thematic Maps show specific data (like demographics).
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What is a Choropleth Map?
A map that uses colors to display data, such as rainfall.
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What is Earth's real shape called?
Geoid.
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What is Latitude and Longitude used for?
Latitude measures left and right from the Equator while Longitude measures up and down from the poles.
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What is a Geodetic Datum?
An exact starting point for measuring locations on Earth.
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What are the three types of Map Projections?
Cylindrical, Conic, and Azimuthal.
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What is the difference between Vector and Raster Data?
Vector uses dots, lines, and shapes, while Raster uses pixels.
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What are Attribute Tables in GIS?
Tables that describe features on a map.
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What are common File Extensions for Vector and Raster files?