Is your loud classroom giving you a headache? Then teach them about sound waves and volume using this NGSS lesson. This STEAM lesson plan explores volume through some hands-on activities that do not hurt your ears.. too much! Students will be categorizing, making a pan flute, and learning a new PE activity called the Clapping Game. This lesson is perfect for a substitute.What is included:Big Question with a Know-Questions-Learn (KQL) chartsLesson Plan for How we Hear (Detailed for a Substitute)S