Apple cider vinegar and coins

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  • 1. Apple Cider Vinegar and Coins By Kelsey Sorenson
  • 2.  Hi class! Today we are going to experiment with apple cider vinegar and salt and see if it is able to clean coins. Our question is: Does apple cider clean pennies or silver coins (quarters, nickels and dimes) more effectively? Make a hypothesis: Do you think apple cider vinegar and salt will clean pennies or silver coins better?Introduction
  • 3.  You will need… Apple Cider Vinegar Salt Paper Towels Pennies, Quarters, Nickels, and Dimes Two bowls SpoonMaterials
  • 4. Pour the apple cider vinegar into the first bowl.Step 1
  • 5. Add a dash of salt too the bowl (not too much, about a teaspoon).Step 2
  • 6. Stir the mixtureStep 3
  • 7. Place the pennies in the bowl. Let sit for about 20 seconds and then stir them around in the bowl.Step 4
  • 8. Rinse the pennies off in the sink.Step 5
  • 9. They definitely look cleaner than before! Some of them are super shiny. Some still have a little dirt on them but are cleaner than they were before.What happened to the pennies?
  • 10. What do you think is going to happen?Now let’s take a look at the silvercoins!
  • 11. Repeat the same process as the fist time. Mix together the vinegar and salt and then stir.Step 6
  • 12. Place the quarters, nickels, and dimes in the mixture for about 20 seconds. Then stir.Step 7
  • 13. Rinse them off in the sink.Step 8
  • 14. It looks like the coins look the same as before. Why do you think it didn’t work as well? Was your hypothesis right?What happened to the silver coins?
  • 15. The apple cider vinegar cleaned the pennies better than the quarters, nickels, and dimes. This is because the pennies are made out of copper which is a different material than the mixture used to make the other coins!Conclusion