Some Natural Phenomena
Q.1. Who and when showed that lightning and the spark from our clothes are the same phenomena?
Q.2. Which object attracts light objects when rubbed with fur?
Q.3. What are charged objects? Give examples of charged objects.
Q.4. How can we say that there are two kinds of charges?
Q.5. The charges of the same kind _____ _____ ______, while charges of different kinds _______ ___________ _________.
Q.6. Describe equal and opposite charges.
Q.7. What is the sure test of charge on a body?
Q.8. How does the imbalance of electrons give charge to a body?
Q.9. What are the different ways of charging a body?
Q.10. Explain the process of electric discharge in clouds.
Q.11. What are the do’s and don’ts outside the house during a thunderstorm?
Q.12. What are the do’s and don’ts inside the house during a thunderstorm?
Q.13. What is a lightning conductor? How does it works?
Q.14. What is an earthquake?
Q.15. Can earthquakes bring tsunamis?
Q.16. What is seismology?
Q.17. What is the Richter Scale?
Q.18. What is the cause of an earthquake?
Q.19. What are seismic or fault zones? Give examples of such areas?
Q.20. What are the ‘Quake Safe’ measures?
Q.21. Which steps should we take in the event of an earthquake if we are at home?
Q.22. Which steps should we take in the event of an earthquake if we are outdoors?
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