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Learning Time Activities
Bible Lesson:
  • Even though angels can’t be seen, they are protecting you.
  • Just because you can’t see something, doesn’t mean that it doesn’t exist.



  • Lemon juice or vinegar
  • Salt
  • 10 – 20 pennies
  • Shallow dish or small glass
  • Nails, paper clips, straight pins or safety pins that have been cleaned with scouring power.
Directions for copper plating metal objects
  1. Place the pennies in a shallow dish or small glass.
  2. Add a pinch of salt and enough vinegar and/or lemon juice to cover the coins.
  3. Vinegar and lemon juice are weak acids which will dissolve the copper atoms from the pennies.

    Since you can’t see what’s happening, how can you tell that copper atoms are coming off the pennies?

  4. Put the clean nails, paper clips, straight pins or safety pins in the water with the pennies. (They can be put on top of the pennies.)
  5. Wait 30 minutes and look at the metal objects. They will begin to turn a copper color.
  6. Wait 2 hours and take the metal objects out of the vinegar/lemon juice solution. The copper layer will be bonded to the metal and should not rub off.

    What happened? Each second during this copper plating process millions of copper atoms stuck on the metal objects. There was a large number of copper atoms moving between the pennies and the metal, just like angels are moving all around you. Look up the Bible story in 2 Kings 6 about how the eyes of Elisha’s servant were opened so he could see the invisible angels protecting them. Your guardian angel is always with you even if you can’t see it, and if you need more angels, God will send them.