This would work good to explain the verb "boil" in some sort of language learning program I guess. The original source of this image was a water propaganda pamphlet produced by the America EPA youth outreach program (thus clearly public domain) and although the original was black and white, I painstakingly added colour to just make it a little more cliparty.
燒水
boil、cloud、diagram、ESL、fire、heart、language、learning、pan、pot、steam、stove、verb、water
煮、雲、圖、ESL、火、心、語言、學習、盤、可以、蒸汽、火爐、動詞、水
資料來源：openclipart ( https://openclipart.org/ )