Informal activity
Antonyms for "informal activity" (16 found)
Adjective(3 words)
educational exerciseexperimental protocolmetapopulation-network case study
Noun(13 words)
arithmetic worksheetsarts classassessment taskcitizenship unitcontent analysis protocolenergy efficiency programevaluation projectevaluation taskgrammar-lesson unit planice-formation protocollesson typemicrobial ecology educationteach visual arts