Understanding Thunder and Lightning

What is the relationship between thunder and lightning?

• Thunder is the sound produced by lightning.

• Thunder is a type of lightning.

• Thunder is the cause of lightning.

• Thunder and lightning are unrelated phenomena.

How is lightning similar to static electricity?

• Both are visible but not audible.

• Both are harmless.

• Both involve a discharge of electric energy.

• Both occur only during storms.

What happens to the air around a lightning bolt?

• It heats up to 30,000 degrees Celsius.

• It becomes electrically charged.

• It remains at the same temperature.

• It cools down rapidly.

How do shockwaves from lightning create thunder?

• They cause the air to cool rapidly.

• They create a vacuum in the air.

• They generate light.

• They expand the air explosively.

How can you estimate the distance of a lightning strike?

• By observing the color of the lightning.

• By measuring the brightness of the flash.

• By feeling the temperature change.

• By counting the seconds between the flash and the thunder.