Homeschool "Snow Day" = Snowy Science! The salt lowers the freezing point of the ice and it's super cold. We played a game of "hot potato" or shall we say "cold potato" while shaking and throwing it to each other! 1 Gallon resealable bag 1 Quart resealable bag Ice 1/2 cup Salt 1 cup Half… Continue reading Snowy Science: 5 minute Ice Cream in a Bag!