The melody is passed from violin to flute to harpsichord this compositional technique when one instrument plays a pattern very similar to another is called

Answer 1

The compositional technique you are describing is called "imitation." In this context, imitation occurs when one instrument plays a melody or motif that is similar to what another instrument has just played, creating a dialogue or echo between the parts. This technique is commonly found in various musical styles, especially in Baroque music.