Usage patterns
氷が溶けるthe ice melts
The ice I took out of the fridge melted right away.
〈物〉に氷を入れるto put ice into something (a drink, cooler, etc.)
I put ice in the glass and poured in the juice.
〈物〉を氷で冷やすto chill something with ice
I chilled the watermelon with ice beforehand.
氷を割るto break/crack the ice
I cracked the ice with an ice pick.
Expressions
日向に氷something disappearing bit by bit; ice in the sun 氷が張るfreeze over; become covered with ice