Jesus fed 5,000 people with bread and fish which he caused to materialize out of thin air, however, the people think that they need some kind of sign that proves that he's sent from heaven.
Manna Didn’t Come from Moses
Believe in Him
Jesus makes the claim that he's sent from God and that the work of God is to believe him who has been sent. The people naturally balk, and ask for a sign from Jesus which would confirm his claim.
The Bread from Heaven
Jesus begins his attempt to describe energy transformation with the difference between food that perishes and food that endures. To Jesus, the almighty God, it's a simple matter of changing the energetic state of matter.
Jesus Walks on the Sea
John Chapter 6 describes Jesus walking on water (v. 16-21) which is described in the other gospels as happening during a tempest. Jesus physically demonstrates his power over matter and energy.
Feeding the 5000
In John Chapter 6 is Jesus demonstrates the conversion of energy from one form to another and he attempts to explain the first law of thermodynamics. He lost many followers in the process.
June 22nd
Manna didn't come from Moses, it came from God. Jesus fed 5,000 people with bread out of thin air but he fights an uphill battle in his attempt to explain thermodynamics and relativity.