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

Using your teeth as tools can cause them to crack or chip.

Freezing may also dry out seeds and cause them to crack.

This increase in the internal pressure causes the ice cube to crack and that is the sound you hear.

There are at least three "modes of motion" that can produce the necessary speed in a whip to cause it to crack.

That error, which could cause walls to crack, was traced to the incorrect entry of data into a computer.

A sudden influx of cold water into a hot boiler can cause it to crack.

Vibrations from cars overhead can put stress on pipes, causing them to crack.

Stone was also susceptible to intense heat, which would cause it to crack and collapse.

Larger fluctuations in humidity can affect regulation, and even cause parts to crack.