This causes some rocks to crack, sometimes even splitting them in half.

And that rock and roll was cracking into the Top 40 and changing my idea of music.

The rock cracked apart, and the fragments shied away, horrified, but her face was unchanged.

A rock cracked the window of one car in the motorcade.

The rock fell on this and cracked apart, piling up on either side.

The rock cracked apart and powdered into sand, naturally.

These plates move along fault lines, which are places where the otherwise solid rock of the Earth's crust has cracked.

The rock cracked into pieces, some big and some small.

That is the mountain itself, where the rock cracked when Jesus' blood fell down from the cross.

Under one such impact the rock cracked, but I still survived without disabling injury.