Understanding Thunder and Lightning

What is the relationship between thunder and lightning?

• Thunder is the light produced by lightning.

• Thunder is the sound produced by lightning.

• Thunder and lightning are unrelated phenomena.

• Thunder is the cause of lightning.

How does a lightning bolt form?

• It is a continuous flow of electric energy in the clouds.

• It is a discharge of electric energy from a storm cloud to the ground and back.

• It is a static discharge between two clouds.

• It is a discharge of electric energy from the ground to the sky.

What happens to the air around a lightning bolt?

• It becomes electrically charged.

• It remains at the same temperature.

• It heats up to 30,000 degrees Celsius.

• It cools down rapidly.

What causes the rolling sound of thunder?

• The reflection of light from the lightning.

• The movement of clouds in the sky.

• The echo of shockwaves off hills and their interaction.

• The continuous lightning strikes.

How can you estimate the distance of a lightning strike?

• By measuring the brightness of the lightning.

• By listening to the pitch of the thunder.

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

• By observing the color of the lightning.