For each group:

• graph paper
• LEGO MINDSTORMS Education EV3 Core Set that is used throughout this unit and available at https://education.lego.com/en-us/products/lego-mindstorms-education-ev3-core-set/5003400#lego-mindstorms-education-ev3
• LEGO MINDSTORMS Sound Sensor, which can be purchased separately at https://www.amazon.com/LEGO-NXT-Sound-sensor/dp/B01L4GN4VU/ref=sr_1_1?dchild=1&keywords=lego+sound+sensor&qid=1595360043&sr=8-1
• LEGO MINDSTORMS EV3 touch sensor, which is also included in the LEGO base set or can be purchased separately at https://education.lego.com/en-us/products/lego-mindstorms-education-ev3-touch-sensor/45507
• computer, loaded with EV3 1.2.1 software
• Measuring Noise Pollution Pre-Activity Survey, one per student
• Measuring Noise Pollution Worksheet, one per student

Note: This activity can also be conducted with the older (and no longer sold) LEGO MINDSTORMS NXT set instead of EV3; see below for those supplies:

• LEGO MINDSTORMS NXT robot, such as the NXT Base Set
• computer loaded with the NXT 2.1 software

To share with the entire class:

• computer and USB cable