Sound energy is produced when an object vibrates. The sound vibrations cause waves of pressure that travel through a medium, such as air, water, wood or metal. Sound energy is a form of mechanical energy.
Examples of Sound Energy
- An air conditioning fan
- An airplane taking off
- A ballerina dancing in toe shoes
- A balloon popping
- The bell dinging on a microwave
- A boom box blaring
- A broom swishing
- A buzzing bee
- Car brakes squealing
Examples of Sound Energy From Human
- Baby crying
- Belching
- Blowing your nose
- Clapping your hands
- Clearing your throat
- Clicking your tongue
- Coughing
Presentation
Step I: Teacher revises the previous topic.
Step II: Teacher introduces the new topic “Sound energy”
Step III: Teacher explains the meaning of sound energy
Step IV: Teacher states and explains various examples of sound energy
Step V: Pupils copy the note and submit for marking
Evaluation:
- What is sound energy?
- Sound energy is produced when a body ________________.
- Sound energy is a __________ energy
Conclusion: Teacher concludes the lesson by evaluating the students and gives an assignment
Assignment:
- List two examples of sound energy produced from our daily activities
- State three examples of sound energy produced by human
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