Echoes and Waves

Front

Michael is in a large empty room and claps his hands. He hears the sound again after a moment. What is happening to the sound waves?

Back

The sound waves bounce off a surface.

Front

Kai is setting up a music studio and wants to minimize the echo. Which material should he use to best absorb sound? Options: Hardwood, Thick curtains, Glass, Metal

Back

Thick curtains

Front

What is happening when Michael, Luna, and Ethan's music is transmitted?

Back

The carrying of sound waves from the band's instruments to the audience's ears.

Front

Jackson, Mia, and Grace are in a music room with soft, porous walls. What happens to the sound waves when they hit the walls of this room?

Back

They are mostly absorbed.

Front

Olivia, Arjun, and Anika are exploring a large, empty cave. Which of the following experiences they might have is an example of sound reflection? Hearing their own echo, Whispering to each other, Soundproofing their tent inside the cave, Hearing a conversation from the other side of the cave wall

Back

Hearing their own echo

Front

Oliver, Aria, and Benjamin are setting up a music room. Which of the following factors does NOT affect the absorption of sound in their room? The size of the room, The temperature of the room, The color of the walls, The materials on the walls and floor

Back

The color of the walls

Front

Why are the auditorium walls being covered with sound-absorbing materials?

Back

To reduce the reflection of sound.

Front

David, Mia, and Elijah are setting up a recording studio. They are considering the use of acoustic panels. What would be the main purpose of using these panels in their studio?

Back

To absorb excess sound and reduce echo

Front

If you were to knock on one of the following items, which would likely transmit sound the best? A thick wool blanket, A solid steel door, A foam mattress, A heavy curtain

Back

A solid steel door