The “Analog World, Digital World” unit is comprised of plans for six days of lessons. Over the course of this lesson set students will be arguing the “merits and limitations” of various devices that operate with digital and analog signals. This unit also has a performance task that allows students to demonstrate what they have learned over the course of this six day unit. Over the six planned days of this units students will complete the following tasks. Students will analyze, reproduce, encode, and transmit analog information. Students will also develop an understanding that digital signals use a 0/1/off /on code format. They will also compare analog and digital devices performing various tasks. Finally, students will graph and interpolate digital sound wave data.