SOUND ENERGY

Basic Science JSS3 First Term

WEEK NINE

SOUND ENERGY

Performance Objectives

• Introduction.
• Transmission of sound.
• Reflection of sound.
• Hearing.

Content

REFERENCE

• basic science Made Easy for JSS Three by F.I Kehinde et al
• basic science Made Easy for JSS Two by F.I Kehinde et al
• STAN Integrated Science for JSS Three
• Precious Seeds Basic Science for JSS three by J.O Otugboyegaet al.

INTRODUCTION

Sound is a wave caused by vibration of matter. It is a property of vibrating objects. These objects may be solid, liquid or gases. If there is an elastic medium (i.e a medium which is capable of being compressed between the vibrating object and a suitable apparatus such as a microphone, ear of animals) noise or sound…