New Ways To Communicate

When people ______, they pass their thoughts or information on to others.

The ______ was a mail system that carried letters between St. Joseph, Missouri and Sacramento, California.

An ______ is something that is made for the first time.

A ______ gives a person the right to be the only one making or selling an invention.

A ______ is a machine that sends and receives signals through a thin wire.

______ is the scientific knowledge about how things work.

Marconi found a way to send messages without wires through a _____.

Many scientists worked together to invent the _____.

How did the telephone make communication easier?

How did people communicate with a telegraph?