Exodus 7:19

Jehovah then spoke to Moses: Tell Aaron, Take your staff and stretch out your hand over the waters of Egypt; its rivers, canals, ponds, and all its reservoirs. They will turn into blood. There will be blood everywhere in Egypt, even in the buckets of wood and stone pitchers.

Exodus 8:5-6

Jehovah also said to Moses: Say to Aaron, 'Stretch out your hand with your staff over the rivers, over the streams and over the pools. Make frogs come up on the land of Egypt.'

Exodus 8:16

Jehovah said to Moses: Tell Aaron, Strike the ground with your stick. The dust will change into gnats in all of Egypt.'

Exodus 10:12

Jehovah said to Moses: Stretch out your hand over the land of Egypt for the locusts. Let them come up upon the land of Egypt and eat every herb of the land, all that the hail has left.

Exodus 10:21

Jehovah then said to Moses: Raise your hand toward the sky. Darkness thick enough to be felt will cover the land of Egypt.

Exodus 14:21

Moses stretched out his hand over the sea. Jehovah swept the sea back by a strong east wind all night and turned the sea into dry land. The waters were divided.

Exodus 14:26

Jehovah then said to Moses: Hold out your hand over the sea, and the water will flow back over the Egyptians and their chariots and drivers.

Genesis 1:10

God called the dry land earth. The gathering of the waters He called seas. God saw that it was good.

Exodus 9:22-23

Jehovah said to Moses: Stretch out your hand toward the sky. Hail will fall on all the land of Egypt, on man and on beast and on every plant of the field, throughout the land of Egypt.

Exodus 9:33

Moses left the royal palace and the city. He lifted his arms in prayer to Jehovah. The thunder, hail, and drenching rain stopped.

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
Jehovah also said to Moses: Say to Aaron, 'Stretch out your hand with your staff over the rivers, over the streams and over the pools. Make frogs come up on the land of Egypt.'
Exodus 9:22
Jehovah said to Moses: Stretch out your hand toward the sky. Hail will fall on all the land of Egypt, on man and on beast and on every plant of the field, throughout the land of Egypt.
Exodus 10:12
Jehovah said to Moses: Stretch out your hand over the land of Egypt for the locusts. Let them come up upon the land of Egypt and eat every herb of the land, all that the hail has left.
Exodus 14:21
Moses stretched out his hand over the sea. Jehovah swept the sea back by a strong east wind all night and turned the sea into dry land. The waters were divided.

Their pools

Genesis 1:10
God called the dry land earth. The gathering of the waters He called seas. God saw that it was good.

General references

Exodus 4:17
Take your staff in your hand with which you shall perform the signs.
Exodus 8:5
Jehovah also said to Moses: Say to Aaron, 'Stretch out your hand with your staff over the rivers, over the streams and over the pools. Make frogs come up on the land of Egypt.'
Exodus 9:22
Jehovah said to Moses: Stretch out your hand toward the sky. Hail will fall on all the land of Egypt, on man and on beast and on every plant of the field, throughout the land of Egypt.
Psalm 78:44
He turned their rivers into blood so that they could not drink from their streams.