Description: In this cluster, students will explore simple underlying principles in Sound. They will make different instruments to produce sound and understand the concepts behind them.
- Sound and Frequency: Students will understand that sound is produced because of vibration and increase in frequency increases the pitch.
- Popsicle stick harmonica: Students will learn how vibration produces sound by making their own harmonica which makes sound due to vibration.
- Pan Flute: Students will be able to learn that length of a straw affects the frequency of the sound it produces by making a pan flute.
- Frequency and pitch: Students will realize that there is certain range of frequencies that human beings can hear. They will also learn that sound can be pleasing to ears if sounds are generated with varying frequency at certain ratio.