Exodus 7:5

7:5 Then the Egyptians will know that I am the Lord, when I extend my hand over Egypt and bring the Israelites out from among them.

Exodus 8:6

8:6 So Aaron extended his hand over the waters of Egypt, and frogs came up and covered the land of Egypt.

Exodus 10:21-22

The Ninth Blow: Darkness

10:21 The Lord said to Moses, “Extend your hand toward heaven so that there may be darkness over the land of Egypt, a darkness so thick it can be felt.”

10:22 So Moses extended his hand toward heaven, and there was absolute darkness throughout the land of Egypt for three days.

Exodus 14:16

14:16 And as for you, lift up your staff and extend your hand toward the sea and divide it, so that the Israelites may go through the middle of the sea on dry ground.

Exodus 14:26

14:26 The Lord said to Moses, “Extend your hand toward the sea, so that the waters may flow back on the Egyptians, on their chariots, and on their horsemen!”