Maps & Computers

Mapmakers determine distance and elevation using instruments and the principles of geometry in a process called

• surveying

• mapping

• processing

• instrumental data

In the twentieth century, people learned how to make maps using photographs from

• ships

• airplanes

• satellites

______ can help mapmakers store, process and display map data electronically

The process by which mapmakers convert the location of map points to numbers is called

• adjusting

• conversion

• digitizing

• modernizing

Tags

NGSS.MS-PS4-3

How are numbers stored on a computer?

Drawing a map by hand is a faster technique than using computer mapping.

• true

• false

Name a source that computers receive their data from

Answer explanation

satellites, GPS

Draw a picture of a satellite (do your best)

Tags

NGSS.MS-ETS1-1

Pictures of the surface based on data from satellites are called

• satellite images

• pixels

• dots

• maps

A satellite image is made up of thousands of tiny dots called

• color

• dots

• pixels

• 0's and 1's.