Unit 5 Lesson 1

something that changes the world

• telegraph

• revolutionary

• distant

• sound waves

a license that protects an invention from being made or sold by others

• telegraph

• patent

• distant

• sound waves

We couldn't hear you because the ____________ were blocked by the wall.

• telegraph

• patent

• distant

• sound waves

The internet changed the world and is considered____________.

• telegraph

• revolutionary

• distant

• sound waves

to bring into existence

• established

• patent

• telegraph

• sound waves

The internet was ______________January 1, 1983.

• established

• patent

• telegraph

• sound waves

waves that move through air and carry sound to your ears

• telegraph

• patent

• distant

• sound waves

The __________ didn't allow anyone to copy the idea.

• telegraph

• patent

• distant

• sound waves

an old fashioned way of sending messages over wires using electrical signals

• telegraph

• patent

• distant

• sound waves

happening far away

• established

• distant

• telegraph

• sound waves