- What is the meaning of lightning?
- What are the various types of lightning?
- What are the two types of charges?
- Prove with experiments that like charges repel each other and opposite charges attract each other.
- What is the purpose of an electroscope?
- What is the meaning of earthing?
- How to protect ourselves from lightning? - i) when we are indoor
- What is the meaning of lightning conductor?
- What is an earthquake? How are earthquakes recorded?
- Do earthquakes only happen on earth?
- Can scientists predict earthquakes?
- What causes an earthquake?
- What are the likely consequences of an earthquake?
- What are seismic zones or fault zones?
- What is the Richter scale? Richter scale is not linear. Explain.
- What is a seismograph?
- How to make buildings ‘Quake Safe’?
- Suppose you are outside your home and an earthquake occurs. What precautions would you take to protect yourself?
- The weather department has predicted that a thunderstorm is likely to occur on a certain day. Suppose you have to go out on that day. Would you carry an umbrella? Explain.
- What are the measures you would take in your house when an earthquake occurs?
