A small worksheet on Idioms about nature. There is also a quiz section on the origins of the expressions which can be used as a team quiz activity. Answers are provided.
The above downloadable printable is recommended for at Advanced (C1) and Upper-intermediate (B2) level. It can be used for working on your class' Reading skills. It centers around the vocabulary topic of Idioms. You will find the answer key at the end of the worksheet.