Sound Energy

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

1. An air conditioning fan
2. An airplane taking off
3. A ballerina dancing in toe shoes
4. A balloon popping
5. The bell dinging on a microwave
6. A boom box blaring
7. A broom swishing
8. A buzzing bee
9. Car brakes squealing

Examples of Sound Energy From Human

1. Baby crying
2. Belching
3. Blowing your nose
4. Clapping your hands
5. Clearing your throat
6. Clicking your tongue
7. 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:

1. What is sound energy?
2. Sound energy is produced when a body ________________.
3. Sound energy is a __________ energy

Conclusion: Teacher concludes the lesson by evaluating the students and gives an assignment

 

Assignment:

1. List two examples of sound energy produced from our daily activities
2. State three examples of sound energy produced by human