G8-PHY-L9 Some Natural Phenomena

What causes lightning?

• Friction between clouds
• Movement of earth's plates
• Rubbing of plastic objects
• Underground explosions

What is the purpose of a lightning conductor?

• To attract lightning
• To protect buildings from lightning
• To generate electricity
• To detect lightning strikes

What is the main cause of earthquakes?

• Friction between clouds
• Movement of earth's plates
• Rubbing of plastic objects
• Underground explosions

What is the Richter scale used to measure?

• Temperature
• Humidity
• Earthquake magnitude
• Wind speed

What should you do during a thunderstorm?

• Stay outside in an open field
• Take shelter under a tree
• Stay inside a building
• Carry an umbrella

What is the purpose of earthing?

• To attract lightning
• To protect against earthquakes
• To transfer electric charge
• To generate electricity

What is the main danger during an earthquake?

• Floods
• Landslides
• Tsunamis
• Building collapse

What is the best position to take during an earthquake?

• Stand near a window
• Lie down on the ground
• Hide under a table
• Run outside

Which areas in India are more prone to earthquakes?

• Coastal areas
• Desert areas
• Mountainous areas
• Plains areas

What is the purpose of a seismograph?

• To detect lightning strikes
• To measure earthquake magnitude
• To predict thunderstorms
• To generate electricity