Inventions - confusing words

Thomas Edison was a great ___.

• invent

• inventor

• invention

The Wright Brothers ___ the airplane.

• invented

• inventors

• invention

The printing press was a very important ___.

• invent

• invention

• inventor

Electricity was not an invention, it was a ___.

• creation

• discover

• discovery

Maria Curie ___ radium and polonium.

• created

• invented

• discovered

Albert Einstein was a great ___.

• science

• scientist

• scientific

Gravity was a great ___ discovery.

• scientific

• science

• scientist