Revelation 8:1

And when he had opened the seventh seal, there was silence in heaven about half an hour.

Revelation 6:1

And I saw when the Lamb opened one of the seven seals, and I heard one of the four living creatures saying as the voice of thunder, Come and see.

Revelation 5:1

And I saw in the right-hand of him that sat upon the throne a book written within and without, sealed with seven seals.

Revelation 6:3

And when he opened the second seal, I heard the second living creature saying, Come.

Revelation 6:5

And when he opened the third seal, I heard the third living creature say, Come. And I saw, and behold a black horse, and he that sat on him had a pair of scales in his hand.

Revelation 6:7

And when he opened the fourth seal, I heard the voice of the fourth living creature saying, Come.

Revelation 6:9

And when he opened the fifth seal, I saw under the altar the souls of them that had been slain for the word of God, and for the testimony which they held.

Revelation 6:12

And I saw when he opened the sixth seal, and there was a great earthquake, and the sun was black as sackcloth of hair, and the moon was as blood;

Revelation 5:9

And they sing a new song, saying, Worthy art thou to take the book and to open the seals thereof; for thou wast slain and hast redeemed us to God by thy blood, out of every tribe, and tongue, and people, and nation,

Treasury of Scripture Knowledge

Summary

And when he had opened the seventh seal, there was silence in heaven about the space of half an hour.

Bible References

And

Revelation 5:1
And I saw in the right-hand of him that sat upon the throne a book written within and without, sealed with seven seals.
Revelation 6:1
And I saw when the Lamb opened one of the seven seals, and I heard one of the four living creatures saying as the voice of thunder, Come and see.