TCI Unit 6 4th grade

Front

a carriage pulled by horses, used to carry mail and passengers over a regular route

Back

stagecoach

Front

the movement of information

Back

communication

Front

the movement of people and goods

Back

transportation

Front

a machine that sends electrical signals across a wire

Back

telegraph

Front

crossing a continent

Back

transcontinental

Front

to make detailed measurements of the land

Back

survey

Front

a person who plans and builds structures such as bridges and railroads

Back

engineer

Front

a person who gives money to a project in the hope of making money in return

Back

investor

Front

a structure built to support a railroad bridge

Back

trestle

Front

the movement of people from one area to another

Back

migration