Lightning

Q1: What natural phenomenon is caused by the discharge of electric charge in the sky?
Answer: Lightning
Explanation: Lightning is a bright flash caused by the sudden flow of electric charge between clouds or between cloud and earth.
Q2: What type of charge moves during lightning—positive or negative?
Answer: Negative
Explanation: During lightning, negative charges from clouds move toward the ground.
Q3: What is built up in clouds that eventually causes lightning?
Answer: Charge
Explanation: Friction between water droplets and air creates charge separation in clouds.
Q4: What natural phenomenon always accompanies lightning?
Answer: Thunder
Explanation: Thunder is the sound produced by the rapid expansion of air heated by lightning.
Q5: What device is installed on buildings to protect them from lightning?
Answer: Lightningrod
Explanation: A lightning rod provides a safe path for lightning to travel to the ground, protecting the structure.
Q6: What force causes charged particles to separate in thunderclouds?
Answer: Friction
Explanation: Friction among water droplets and air particles causes separation of charges in clouds.
Q7: What is the tall metal rod used for lightning safety called?
Answer: Conductor
Explanation: A conductor such as a metal rod is used to safely channel lightning into the ground.
Q8: What is lightning a sudden movement of?
Answer: Charge
Explanation: Lightning is a sudden flow or discharge of electric charges through the atmosphere.
Q9: What is advised not to be used during lightning to avoid shock?
Answer: Telephone
Explanation: Wired telephones can conduct electric charge during lightning and should be avoided.
Q10: What natural phenomenon is more dangerous—lightning or thunder?
Answer: Lightning
Explanation: Lightning carries huge electric current and can cause serious damage or even death, unlike thunder.

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