Rocks in example sentence
"Where's Bill?"Then you both raise up your voices and shout for "Bill!" and the ground beneath you heaves and rocks, and the muffled voice that you heard before replies from out the ruin:"Get off my head, can't you?"
More example sentences with word rocks
And what starts happening is that, around young suns, young stars, all these elements combine, they swirl around, the energy of the star stirs them around, they form particles, they form snowflakes, they form little dust motes, they form rocks, they form asteroids, and eventually, they form planets and moons. 
