Word formation Inventions and discoveries

Thee's a problem with the ______ so there's no hot water.

• boiler

• boiling

• boil

The pan was full of _____ water.

• boil

• boiling

• boiler

Sodium is a _______.

• chemist

• chemistry

• chemical

He wants to become a ______ in the future.

• chemist

• chemistry

• chemical

I've come to the ________ that exams are beneficial.

• conclude

• conclusion

The _______ was very friendly.

• examine

• exam

• examiner

Where did your_______for cars come from?

• fascinate

• fascination

• fascinating

I've always found cars _______ .

• fascinate

• fascination

• fascinating

It's a _____ building.

• history

• historic

• historian

I want to be a _________.

• history

• historic

• historian