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.

Exodus 8:5-6

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 8:16

Then the LORD said unto Moses, Say unto Aaron, Stretch out thy rod and smite the dust of the land, that it may become lice throughout all the land of Egypt.

Exodus 10:12

Then the LORD said unto Moses, Stretch out thine hand over the land of Egypt to bring the locusts, that they may come up upon the land of Egypt and eat all the grass of the land and all that the hail has left.

Exodus 10:21

And the LORD said unto Moses, Stretch out thine hand toward heaven, that there may be darkness over the land of Egypt, even darkness which may be felt.

Exodus 14:21

And Moses stretched out his hand over the sea; and the LORD caused the sea to go back by a strong east wind all that night and made the sea dry land, and the waters were divided.

Exodus 14:26

And the LORD said unto Moses, Stretch out thy hand over the sea that the waters may come again upon the Egyptians, upon their chariots, and upon their horsemen.

Genesis 1:10

And God called the dry land Earth, and the gathering together of the waters he called Seas; and God saw that it was good.

Exodus 9:22-23

And the LORD said unto Moses, Stretch forth thine hand toward heaven that there may be hail in all the land of Egypt, upon the men and upon the beasts and upon all the grass of the field throughout the land of Egypt.

Exodus 9:33

And Moses went out from the presence of Pharaoh and out of the city and extended his hands unto the LORD; and the thunders and hail ceased, and the rain was not poured upon the earth.

Treasury of Scripture Knowledge

Summary

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.

Their pools

Bible References

Stretch

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 9:22
And the LORD said unto Moses, Stretch forth thine hand toward heaven that there may be hail in all the land of Egypt, upon the men and upon the beasts and upon all the grass of the field throughout the land of Egypt.
Exodus 10:12
Then the LORD said unto Moses, Stretch out thine hand over the land of Egypt to bring the locusts, that they may come up upon the land of Egypt and eat all the grass of the land and all that the hail has left.
Exodus 14:21
And Moses stretched out his hand over the sea; and the LORD caused the sea to go back by a strong east wind all that night and made the sea dry land, and the waters were divided.

Their pools

Genesis 1:10
And God called the dry land Earth, and the gathering together of the waters he called Seas; and God saw that it was good.

General references

Exodus 4:17
And thou shalt take this rod in thy hand with which thou shalt do the signs.
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 9:22
And the LORD said unto Moses, Stretch forth thine hand toward heaven that there may be hail in all the land of Egypt, upon the men and upon the beasts and upon all the grass of the field throughout the land of Egypt.
Psalm 78:44
and had turned their rivers into blood and their floods, that they could not drink.