Which of the following is a brass instrument?

Flute
Bassoon
Saxophone
Trombone

Trombone

what are the full test answers I want to check my work

The brass instrument among the options you provided is the trombone.

To determine which of the given options is a brass instrument, we need to understand what defines a brass instrument. Brass instruments are classified as such because they are made primarily of brass or other metal alloys and produce sound through the vibration of the player's lips against a cup-shaped mouthpiece. The vibrating lips create vibrations that travel through the instrument, producing distinct sounds.

Now, let's evaluate the options:

1. Flute: A flute is not a brass instrument. It belongs to the woodwind family, as it produces sound by blowing air across a mouthpiece's edge rather than buzzing lips against a mouthpiece.

2. Bassoon: Similar to the flute, the bassoon is a woodwind instrument. It produces sound through a vibrating reed instead of vibrating lips against a brass mouthpiece.

3. Saxophone: The saxophone is also not a brass instrument, even though it looks like one due to its metal construction. It is actually a woodwind instrument, as it uses a single-reed mouthpiece to produce sound.

4. Trombone: The trombone is a brass instrument. It features a long telescopic slide that the player adjusts to change the pitch, and the sound is produced by vibrating the lips against a cup-shaped mouthpiece.

Therefore, among the options given, the trombone is the only brass instrument.

If you encounter similar questions in the future, remember to consider the materials used in the instrument's construction and how they generate sound.