Verses with the word sparks in the Old Testament (3 verses):

Job 5:7
Yet man is born unto trouble, as the sparks fly upward.

Job 41:19
Out of his mouth go burning lamps, and sparks of fire leap out.

Isaiah 50:11
Behold, all ye that kindle a fire, that compass yourselves about with sparks: walk in the light of your fire, and in the sparks that ye have kindled. This shall ye have of mine hand; ye shall lie down in sorrow.