Exodus 7:19

Then the Lord said to Moses, “Say to Aaron, ‘Take your staff and stretch out your hand over the waters of Egypt, over their rivers, over their streams, over their pools, and over all their reservoirs of water, so that they may become blood; and there shall be blood throughout all the land of Egypt, in containers both of wood and of stone.’”

Exodus 8:5-6

Then the Lord said to Moses, “Say to Aaron, ‘Stretch out your hand with your staff over the rivers, over the streams and canals, over the pools [among the reeds], and make frogs come up on the land of Egypt.’”

Exodus 8:16

Then the Lord said to Moses, “Say to Aaron, ‘Stretch out your staff and strike the dust of the ground, and it will become [biting] gnats (lice) throughout the land of Egypt.’”

Exodus 10:12

Then the Lord said to Moses, “Stretch out your hand over the land of Egypt for the locusts, so that they may come up on the land of Egypt and eat all the plants of the land, all that the hail has left.”

Exodus 10:21

Then the Lord said to Moses, “Stretch out your hand toward the sky, so that darkness may come over the land of Egypt, a darkness which [is so awful that it] may be felt.”

Exodus 14:21

Then Moses stretched out his hand over the sea; and the Lord swept the sea back by a strong east wind all that night and turned the seabed into dry land, and the waters were divided.

Exodus 14:26

Then the Lord said to Moses, “Stretch out your hand over the sea so that the waters may come back over the Egyptians, on their war-chariots and their charioteers.”

Genesis 1:10

God called the dry land earth, and the gathering of the waters He called seas; and God saw that this was good (pleasing, useful) and He affirmed and sustained it.

Exodus 9:22-23

Now the Lord said to Moses, “Stretch out your hand [with your staff] toward the sky, so that there may be hail in all the land of Egypt, on man and on animal and on all the vegetation of the field, throughout the land of Egypt.”

Exodus 9:33

So Moses left the city and Pharaoh, and stretched out his hands to the Lord; then the thunder and hail ceased, and rain no longer poured on the earth.

Treasury of Scripture Knowledge

Summary

Exodus 7:19

And the LORD spake unto Moses, Say unto Aaron, Take thy rod, and stretch out thine hand upon the waters of Egypt, upon their streams, upon their rivers, 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.

Stretch

Their pools

Genesis 1:10

General references

Bible References

Stretch

Then Moses stretched out his hand over the sea; and the Lord swept the sea back by a strong east wind all that night and turned the seabed into dry land, and the waters were divided.

Their pools

God called the dry land earth, and the gathering of the waters He called seas; and God saw that this was good (pleasing, useful) and He affirmed and sustained it.

General references

You shall take in your hand this staff, with which you shall perform the signs [the miracles which prove I sent you].”

And turned their rivers into blood,
And their streams, so that they could not drink.