bubble on surface of liquid; ephemeral; transient
bubble; foam; froth; suds; lather; head (on beer)
light snow; light snowfall; thin layer of snow; jellied dessert made of beaten egg white, agar and sugar
transient; ephemeral; fleeting; evanescent
transient; passing; fleeting; ephemeral; like a bubble on liquid
plastic sheet at checkouts to prevent droplet infection (of COVID-19)
transient; ephemeral; fleeting; evanescent
blood spray (caused by a weapon); fountain of blood
bubble boom; ephemeral boom