Explain lightning class 8
WebJan 30, 2024 · Lightning is a beautiful display of nature which at times can also be deadly. It can be defined as the visible discharge of electricity that occurs when a specific region of a cloud acquires an excess of electrical charge which is either positive or negative in nature. It is usually associated with thunderclouds. WebFacts that Matter. • Lightning: Lightning is an electric spark, but on a huge scale. Lightning is caused by the accumulation of charges in the cloy s. • Some objects can be …
Explain lightning class 8
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WebApr 7, 2024 · Lightning is a natural phenomenon where the electric charges travel from one point to the other within the clouds or between a cloud and the earth. On a cloudy day or … WebThis process of sharing the charges with the earth is called earthing. Earthing is a simple way for the leakage of current and hence protects the devices from electrical damage. …
WebMar 30, 2024 · Lightning Conductor is a device which helps in protecting the building from the effects of lightning. A lightning conductor is made up of thick strips of metal. The top end of the lightning conductor is pointed … WebSep 7, 2024 · Some Natural Phenomena Class 8 Extra Questions Short Answer Type Question 1. What is lightning? What causes lightning? Answer: Lightning is also an electric spark, but on a huge scale. It is …
WebJan 15, 2024 · On burning of paper, the composition of ash always gets changed. Oxygen gas is usually used as a supporter of combustion. Charcoal burns in air to give carbon dioxide and heat. C + O2 → CO2 + Heat. Methane burns in air and forms carbon dioxide, water and heat. CH4 + 2O2 → CO2 + 2H2O + Heat. Q. WebNCERT Solutions for Class 8 Science PDF free download, NCERT Solutions for Class 8 Science Chapter 11 Force and Pressure, to Study online or download free in PDF form. ... Write any two application of atmospheric pressure in our everyday life. Explain why, snow shoes stop you from sinking into snow. ... A pendulum oscillates 40 times in 4 ...
WebClass VIII Science Notes for Some Natural Phenomena Facts that Matter • Lightning: Lightning is an electric spark, but on a huge scale. Lightning is caused by the accumulation of charges in the cloy s. • Some objects can be charged by rubbing with other objets. • The electrical charge produced by rubbing is called static charge.
WebLightning is an electrical discharge caused by imbalances between storm clouds and the ground, or within the clouds themselves. Most lightning occurs within the clouds. What is Thunderstorm? A thunderstorm is a … arandela asaWebLightning is observed as a bright streak of light during a thunderstorm. Lightning is always accompanied by the sound of thunder. The transfer of charge from clouds to the earth or from cloud to cloud is called … bak63WebApr 8, 2024 · Ans: Lightning conductor is a device used to protect tall buildings from the damaging effects of lightning. It runs from the top to the bottom, along the outer wall or any other object of the building, which is to be protected. arandela anguladaWebFeb 9, 2024 · Some Natural Phenomena Class 8 CBSE Science lesson explanation, notes, Question Answers and Video lesson as per NCERT. ... Question: How does lightning … arandela asi 220WebLightning Conductor is a device used to protect buildings from the effect of lightning. A metallic rod, taller than the building, is installed in the walls of the building during its construction. One end of the rod is kept out in the air and … arandela atlantidaWebOct 11, 2024 · The huge amount of heat produced makes the air expand very suddenly what causes vibration to occur, resulting in a loud sound called thunder. Question 2. Explain the process of electric discharge. … bak7WebOct 4, 2024 · Answer: (b) becomes positively charged while the cloth has a negative charge. Question 3. Write T against true and F against false in the following statements. (a) Like … bak70