When all the Israelites saw the fire coming down and the glory of the LORD above the temple, they bowed down on the pavement with their faces to the ground, and they worshiped and gave thanks to the LORD: “For He is good; His loving devotion endures forever.”
Here is, I. The gracious answer which God immediately made to Solomon's prayer: The fire came down from heaven and consumed the sacrifice, Ch2 7:1. In this way God testified his acceptance of Moses (Lev 9:24), of Gideon (Jdg 6:21), of David (Ch1 21:26), of Elijah (Kg1 18:38); and, in general, to accept the burnt-sacrifice is, in the Hebrew phrase, to turn it to ashes, Psa 20:3.
Commenting on 2 Chronicles 7:1-11
And when all the children of Israel saw how the fire came down,.... From heaven upon the sacrifice, and consumed it, which was all visible to the eye; or it may be this was a distinct fire from the former, since it seems to have come down upon the house, and so may denote a bright, shining, glorious light; the same with what follows: and...
all the children of Israel . . . bowed themselves with their faces to the ground upon the pavement--This form of prostration (that of lying on one's knees with the forehead touching the earth), is the manner in which the Hebrews, and Orientals in general, express the most profound sentiments of reverence and humility.