During a thunderstorm, he flew a kite. He tied a key to the end of the string. Franklin saw sparks jump from the key. He thought the sky was crucial to understanding lighting. He learned that that lighting is an electrical current.
During a thunderstorm, he flew a kite. He tied a key to the end of the string. Franklin saw sparks jump from the key.He thought the sky was crucial to understanding lighting.He learned that that lighting is an electrical current.