Lesson 7: Includes Genesis Chapter 7 thru Chapter 10
The word “come” appears for the first time in verse 1—a gracious gospel invitation: “Come into the ark of safety.”
No reason is given why Noah was commanded to take seven pairs of clean animals into the ark, but only one pair of unclean. Perhaps it was for food and in anticipation of the clean animals’ being needed for sacrifice (see 8:20). The ark was filled with its inhabitants for seven days before the rain began and the underground reserves of water gushed out. The torrent continued for forty days and forty nights; forty is the number of probation or testing in the Bible. Continue Reading Here

