Here is a poster of all the instruments and their names. Can you see them in the picture above?
Here are all the members of the string family. This is the biggest section of the orchestra.
This is the brass family. Which do you think makes the lowest notes?
This is the woodwind family. Notice that saxophones are in this family not in the brass family. This is because like Clarinets, oboes, bassoons, saxophones have a reed that makes the sound.
Even though people think these are the easiest instruments to play, musicians who play the members of the percussion family have to count and wait for their solo to come about! It's quite a tricky job!