At the same time, many children describe how they have valued a chance to spend more time with their family, to play and relax more, or to learn in a different way.
Ar yr un pryd, mae llawer o blant yn disgrifio sut maen nhw wedi gwerthfawrogi cyfle i dreulio mwy o amser gyda'u teulu, i chwarae ac ymlacio mwy, neu i ddysgu mewn ffordd wahanol.