Contaminación del aire – ¿Qué es ese ruido?

The video tutorial helps learners identify and recognize the sound of a helicopter. It begins with an introduction to identifying noises and concludes with recognizing the specific sound of a helicopter.

What is the initial question posed about the sound?

• Is it a helicopter?

• Is it a car?

• Is it a plane?

• Is it a train?

What is the sound identified as?

• A car

• A train

• A plane

• A helicopter

Which of the following is NOT a possible source of the sound mentioned?

• A car

• A bicycle

• A helicopter

• A train

What type of vehicle is confirmed to be the source of the noise?

• A car

• A helicopter

• A boat

• A train

Which vehicle is most likely to make a noise similar to the one described?

• A scooter

• A skateboard

• A helicopter

• A bicycle