Multiple choice

What object did Ben Franklin attach to the end of a kite string to prove that lightning is electricity?

  1. A fork

  2. A metal key

  3. A string

  4. a cup
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Benjamin Franklin famously attached a metal key to a silk kite string during a thunderstorm in 1752. The metal key conducted the electrical charge from the storm, proving that lightning is a form of electricity.

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