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Stripping Electrons

Stripping Electrons. Stripping Electrons Activity. This activity will help students understand that electrons can be easily removed from the atom without changing the original material. The students will also be able to confirm that electrons have a charge by creating a spark.

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Stripping Electrons

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  1. Stripping Electrons

  2. Stripping Electrons Activity • This activity will help students understand that electrons can be easily removed from the atom without changing the original material. • The students will also be able to confirm that electrons have a charge by creating a spark. • Students will strip electrons using friction and collect the charge on an aluminum pie pan.

  3. Stripping Electrons Activity • Materials • Aluminum pie plate • Styrofoam cup • Styrofoam plate • Sandwich bag • Tape

  4. (Note: if there is a lot of humidity, this may not have a very pronounced effect. You might try rubbing the Styrofoam plate on carpeting or hair and then transfer to the metal pie pan. You might also get a larger spark if you leave the Styrofoam plate in contact with the metal pie pan when you touch it. As a backup (if all else fails), tape two pieces of cellophane tape to the desk; Rip both up quickly and they will repel or attract each other depending on which side is introduced.)

  5. Styrofoam cup handle and Pie pan Styrofoam plate Stripping Electrons 1.Attach the Styrofoam cup upside-down to the aluminum pie pan. 2.Put the sandwich bag on like a glove and use it to rub the Styrofoam plate, or rub the bottom of the Styrofoam plate on the carpet. 3.Place the pie pan on the rubbed surface of the Styrofoam plate. Use the cup to hold the pie pan, do not touch it. (Styrofoam plate on top, pie plate, cup on bottom). 4.Perform this act several times. 5.Holding the pie pan by the cup, very slowly touch the edge of the pan to your nose or earlobe. Electrons will fly!

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