system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why does a lake of ice cracking sound like laser beams shooting "Pew Pews"??
gpt
The way something sounds is determined by the way it vibrates.  and when you have big chunks of ice like that, they don't have much room to vibrate so they vibrate in high frequencies that sound a little bit like stereotypical laser sounds.