The EFL Dictionary of Football is up to I and still lots of fun- get involved and add your own favourite idioms (“nutmeg” is already in, but haven’t decided about “park the bus” yet)

Other worksheets and articles:

Classroom language for arts and crafts

Classroom treasure hunt- Prepositions

The big list of discipline classroom language

Inventions Random Pelmanism (English through history)

Explorers roleplays (ditto)

English through history debate topics

Loads more history and classroom language stuff on TEFLtastic somewhere, please leave a comment if you want a link