Volume – Did you know?

The video discusses the impressive loudness of blue whale sounds, which can reach 188 decibels. These sounds are so powerful that they can be heard underwater from hundreds of kilometers away.

What is notable about the blue whale's sound?

• It is louder than a jet engine.

• It is the quietest sound in the ocean.

• It is the most musical sound underwater.

• It is only audible to other whales.

How loud can the blue whale's call be?

• 200 decibels

• 188 decibels

• 150 decibels

• 100 decibels

What is the significance of the blue whale's call being 188 decibels?

• It can be heard underwater over long distances.

• It is the quietest sound made by a marine animal.

• It can travel through the air.

• It can be heard by humans on land.

How far can the blue whale's call travel underwater?

• A few meters

• Hundreds of kilometers

• Several kilometers

• Thousands of kilometers

Why is the blue whale's call considered impressive?

• Because it is the highest pitch sound.

• Because it is louder than any other animal sound.

• Because it is the longest sound.

• Because it is the most complex sound.