Exodus 8:5

And the LORD said unto Moses, Say unto Aaron, Stretch forth thine hand with thy rod over the rivers, over the streams, and over the ponds and cause frogs to come up upon the land of Egypt.

Exodus 7:19

And the LORD spoke unto Moses, Say unto Aaron, Take thy rod and stretch out thine hand upon the waters of Egypt, upon their rivers, upon their streams, and upon their ponds, and upon all their pools of water, that they may become blood and that there may be blood throughout all the land of Egypt, both in vessels of wood and in vessels of stone.

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