1 / 6

How Lightning Works

How Lightning Works. Lightning transfers electrons from the atmosphere to Earth. Electrons build up in clouds because wind causes them to rub together (Charging by friction).

frieda
Télécharger la présentation

How Lightning Works

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. How Lightning Works Lightning transfers electrons from the atmosphere to Earth. Electrons build up in clouds because wind causes them to rub together (Charging by friction). The negative charges in the clouds push the negative charges in the ground away leaving positive charges on the surface (Charging by induction). Once enough negative charge builds up in a cloud, it repels so strongly (second Law of Electric Charges) that it jumps through the air (an insulator) and strikes the positively charged ground or the nearest object (first Law of Electric Charges).

  2. Lightning Rods This figure shows how a lightning rod can protect a house from a lightning strike. A metal rod is attached to the highest part of the building. A conductor is connected from the metal rod to a metal plate in the ground. If lightning strikes the rod, the conductor carries the negative charges safely into the ground.

More Related