Assertion: lightning | /r/Causes | thunder
Facets:
value: by heating and expanding the air
type: MANNER
Source sentences:
text: Lightning causes thunder, a sound from the shock wave which develops as gases in the vicinity of the discharge experience a sudden increase in pressure.
text: Well, lightning causes thunder.
text: Lightning actually causes thunder by rapidly heating and expanding the air around the path of the strike, explains a Library of Congress website.
text: Well, lightning causes thunder.
text: Though it is theoretically possible to hear thunder and then see lightning, lightning actually causes thunder, so it has to come first.