As nouns the difference between quark and skyr
is that
quark is (particle) in the standard model, an elementary subatomic particle which forms matter quarks have never been found alone as of this writing, they combine to form hadrons, such as protons and neutrons or
quark can be a soft creamy cheese, eaten throughout northern, central, and eastern europe, very similar to cottage cheese except that it is usually not made with rennet or
quark can be the black-crowned night heron, nycticorax nycticorax while
skyr is a yogurt-like product made of curdled milk, curds stored up for food; a thick dairy product unique to icelandic cuisine that can be traced back to the vikings.