Describe the particle movement as energy flows from your hand into a cube of ice.
Energy is added to the cube causing particles to slow down and spread out, causing the cube to melt.
Energy is added to the cube causing particles to speed up and spread out, causing the cube to melt.
Energy is added to the cube causing particles to slow down and come together, causing the cube to melt.
Energy is added to the cube causing particles to speed up and come together, causing the cube to melt.