Which is NOT true about the passage? * 5 puntos Franklin did his experiment during a storm. Franklin connected a wire to a metal rod and a piece of wood. Lightning can cause fires and damage buildings. Lightning rods are still used today. What is the purpose of a lightning rod? * 5 puntos To make lightning move faster. To discover how lightning works. To safely lead lightning to the ground. To cause more lighting in the sky. The word "" in paragraph [2] refers to _____. * 5 puntos Franklin’s experiment Franklin’s invention electricity lightning Why did Franklin tie a key to the string of a kite? * 5 puntos The key would show if lightning was a form of electricity. The key would shake when a storm was approaching. He wanted to test if the key was made of metal. The sparks from the key could be used to start a fire
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[2] Franklin noticed that lightning acted like electricity and wanted to test the idea, so he designed an experiment. was actually quite dangerous. He tied a metal key to the string of a kite. The key would show the presence of electricity by making sparks. Next, Franklin went outside as a storm approached to fly his kite. Lightning hit the kite, traveled down the string to the key, and made sparks. Knowing that lightning was a form of electricity,
Franklin thought of a way to protect people’s houses from lightning. His invention became known as the lightning rod.
[3] Franklin placed a metal rod on the roof of a building. One end pointed toward the sky and the other was connected to a wire. The wire ran down the building to a piece of metal buried
underground, away from the house. Lightning always looks for the fastest way to get to the ground. The purpose of the metal rod and the wire was to give lightning a fast but safe path to the ground. If lightning struck near the house,
underground, away from the house. Lightning always looks for the fastest way to get to the ground. The purpose of the metal rod and the wire was to give lightning a fast but safe path to the ground. If lightning struck near the house,
it would travel through the rod and wire instead of hitting the building directly and setting it on fire.
[4] Franklin wanted his inventions to be useful to others. So he would be happy to know that lightning rods still protect people and buildings today. In Franklin’s case, lightning sparked a truly
brilliant invention.
brilliant invention.
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[1] You’re outside in the middle of a storm. The wind is howling. Suddenly, white fire shoots down from the sky. A roar shakes the ground. Just like us, people in the 18th century were frightened of lightning. They knew it caused fires that damaged buildings. Unlike us, they believed lightning was a sign of evil. However, that changed when Benjamin Franklin figured out what lightning really was.