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Discuss why lightning is always accompan...

Discuss why lightning is always accompanied by thunder.

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Lightning occurs when a massive electrical discharge takes place between two oppositely charged clouds. This rapidly heats up the air along its path which expands very fast producing shock waves which we hear as thunder.
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  1. Discuss why lightning is always accompanied by thunder.

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  2. Which of these activities represents a natural phenomenon?

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  3. What precaution should be taken during an earthquake when you are outd...

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  4. What would an earthquake of a magnitude between 4 and 5 cause?

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  5. Who invented the Richter scale?

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  6. Which instrument is used to measure the intensity of an earthquake?

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  7. Which material is used to make lightning conductors?

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  8. Which part of the cloud is induced by positive charges during a thunde...

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  9. What precaution should be taken to stay safe during lightning?

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  10. Which shape is best suited for a lightning conductor?

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  11. Which device is used to detect the type of charge on an object?

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  12. Who invented the gold leaf electroscope?

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  13. What generates an electric charge on a conductor by bringing a charged...

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  14. What creates negative charge on a comb when it's rubbed against hair?

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  15. What is the charge on an electron?

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  16. Which of these particles are present in the nucleus of an atom?

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  17. Which natural phenomenon is caused by electric charges?

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  18. Which of these natural phenomena is beneficial for us?

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  19. You were going somewhere in your car when you sensed an earthquake. Wh...

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  20. What should we do in case of an earthquake?

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  21. Which of these is not a possible effect of an earthquake?

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