1. sound By saira farhan DAPS O & A Levels seaview

2. Learning Objectives Students will understand the cycle of how we listen and hear ourselves speak Students will gain some knowledge about sound waves Students will understand elements of the role that the nervous system plays in enabling humans to hear Students will describe and explain some of the structures and functions of the human body

3. Procedures for Teachers: Students should have a basic understanding of the physical functions of the ear Materials: Target Word list — "pet, pit, met, map, man, bet, bit, bat" Headphones for each pair of students (sets that cover the entire ear) Set of five small film canisters for each student Rice, popcorn kernels, lentils, paper clips, dried peas — enough for five pieces per canister Poster paper Crayons or colored markers Oatmeal canisters and candles for each group of four students

5. Thinkquest.org — The Soundry http://library.thinkquest.org/19537/ An interactive educational site that offers everything from an overview of the physics of sound to a sound lab where you can experiment with beats and harmonics Campanella Associates — Acoustics FAQ http://www.campanellaacoustics.com/faq.htm#basic_sound Answers sound questions ranging from "What is a vibration?" to "What is the Doppler effect?" Geoff Martin's Audio Pages: Introduction to Audio Waves http://www.music.mcgill.ca/~martin/textbook/electronics/01.ht ml More a resource for teachers, than students, this page offers a detailed explanation of the science of sound, with animations http://library.thinkquest.org/19537/ http://www.campanellaacoustics.com/faq.htm#basic_sound http://www.music.mcgill.ca/~martin/textbook/electronics/01.ht ml