Answer:
1.trumpet-it is the smallest instrument plays the highest pitches and it is played by blowing air in its cup-shaped mouthpiece and pressing the valve to change the pitch.
2.trombone-it is the only sliding instrument that pitch any key and pitch is a little lower than the trumpet.
3.french horn-it is a spiral shaped instrument with a large bell at its end,it produce mellow sound and played by blowing air into its funnel-shaped mouthpiece.
4.tuba-it is the biggest and has the lowest pitch in the brass family.sound is produced by vibrating lips into its cup-shaped mouthpiece