. Lightning strikes created 11000 kg of phosphorus. . Lightning strikes in early times were different from those of today. . Lightning strikes happened very often in early times. . Lightning strikes will happen less often in the future. 4.What does the writer want to show with this story?
In fact, the lightning travels up from the ground.63. What's lightning?(不超过5个词)Electricity64. How does the smooth movement of electricity happen?(不超过10个词)When the difference in the charges becomes very great .65. What is the passage mainly about? (不超过 5个词)How does ...
(雷暴雨)produces lightning. Lightning is very dangerous. In the United States, about 80 people die from lightning each year. Thunderstorms produce heavy rain from 30minutes to an hour. What should we do if we happen to meet a thunderstorm? Now let's look at the table below. ...
In this class, you'll learn how to build a story, step by step. You'll see three different stories, and you'll see how you can use the same simple ideas in almost any story.在本节课程中，你会学到如何一步步地组织一个故事。你会看到三个不同的故事，而且你会看到你可以如何在任何故事中...
lightning is caused by the discharge of millions of volts of electricity, which can kill you. Even relatively tiny discharges of static electricity on a refrigerator handle are painful. However, it is possible to safely and painlessly make lightning happen in a jar, where you can study and ...
When the difference in the charges 6 very great, a smooth movement of electricity will happen. The move is from the cloud down to the 7 or from one part of the cloud to another, or from one cloud to another cloud. There are downmoving negative charges. And when the positive cha...
Did something happen to Da-Song when he was in first grade? Yon-Kyo yelps loudly! She quickly covers her mouth. Her hands start shaking. KI-JUNG (CONT’D) I feel a bit cautious about bringing this up -- it’s the first day after all -- but I’ll need to know what happened...
A negatively charged electroscope can be discharged by shining an ultraviolet tight on it. How does this happen?Photoelectric Effect:The photoelectric effect is when charged particles are emitted from a metal target (or any material in general) when electrom...
Watch this astonishing footage of lightning repeatedly striking the Washington Monument. How big of a bolt would it take to actually damage the structure?
All of this is designed to happen in less than a second, but X10 does have some limitations. Communicating over electrical lines is not always reliable because the lines get "noisy" from powering other devices. An X10 device could interpret electronic interference as a command and react, or ...