Our water idioms and sea animals lesson was implemented in many different parts.

Part 1: Getting to know the sea animals

Part 2: Completing the worksheets

Part 3: Working on some idioms, trying to find a corresponding Greek idiom 

(not always a sea idiom, though!)

Part 4: Doing on-line activities 

https://learningapps.org/watch?v=ps6tion0c25

Part 5: Discovering tongue twisters!