"How Sound is Produced" Various Sounds PPT Courseware 3

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"How Sound is Produced" Various Sounds PPT Courseware 3

Can you think of a way to make them sound separately?

suggestion:

(1) When making sound, do not use excessive force to damage the equipment, and control the sound volume;

(2) Compare who has more methods and who observes carefully.

When an object is not moving, the object will not make a sound. If the object is moved, will it definitely make a sound?

An object makes repeated back-and-forth motion under the action of force. This motion is called vibration.

Do all sound-producing objects vibrate?

What happens when you strike a tuning fork?

How does it feel when you touch a tuned tuning fork with your hands?

What's vibrating?

Human vocal cords are vibrating

The drum head vibrates to produce sound

Why is the sound high and low?

How does sound reach our ears?

Can you hear sounds on the moon?

There are still many secrets in the kingdom of sound waiting for us to explore. Come on, classmates! As long as everyone is willing to use their brains and hands-on skills, more secrets will be revealed.

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"How Sound is Produced" Sound PPT:

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"How Sound is Produced" Sound PPT Courseware 5:

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Update Time: 2024-09-30

This template belongs to science courseware People's Education Press Fourth Grade Science Volume 2 industry PPT template

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