The Bible says God spoke and what He said happened! This is hard to understand, but God is so strong that if He wants to do something He just speaks and it happens. Read the verses below to see how each Day God said something and it happened.
DAY 1
Genesis 1:3 Then God said, "Let there be light"....
DAY 2
Genesis 1:6 Then God said, "Let there be a firmament in the midst of the waters . . ."
DAY 3
Genesis 1:9 Then God said, "Let the waters under the heavens be gathered together into one place, and let the dry land appear"..
DAY 3
Genesis 1:11 Then God said, "Let the earth bring forth grass ...
DAY 4
Genesis 1:14 Then God said, "Let there be lights in the firmament of the heavens to divide the day from the night . . .
DAY 5
Genesis 1:20 Then God said, "Let the waters abound with an abundance of living creatures, and let birds fly above the earth..."
DAY 6
Genesis 1:24 Then God said, "Let the earth bring forth the living creature according to its kind . . ."
DAY 6
Genesis 1:26 Then God said, "Let Us make man in Our image, according to Our likeness..."
The " . . . " means there is more to the verse,
you can read it in your Bible.