"How Sound is Produced" Sound PPT Courseware 2

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"How Sound is Produced" Sound PPT Courseware 2

How is sound produced?

In fact, no matter when and where we are, we can always hear various sounds, such as the wind, rain, and thunder in nature, the croaking of frogs in the countryside, and the sound of busy traffic in the city. So ……

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

What will happen if you put the struck tuning fork into water?

Give it a try

Use chopsticks (or a small wooden stick) to hit the glass filled with water and fill it to observe changes in sleep.

To a great extent A light hit A hard hit

Changes in sound: low, weak sound; high, loud, strong sound

Changes in the water surface Small ripples on the water surface Large ripples on the water surface

Summary of experimental observations: When tapped lightly, the vibration is small and the sound is small; when tapped harder, the vibration is large and the sound is loud.

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"How Sound is Produced" Sound PPT Download:

"How Sound is Produced" Sound PPT Download Part One: Introduction of New Lesson How is Sound Produced? Today we are going to make sounds. We are not only competing to see who is better at playing, but also competing to see who has gained more knowledge while playing. How do we...

"How Sound is Produced" Sound PPT:

"How Sound is Produced" Sound PPT Part One: Making Objects Make Sounds How do we make gongs and drums make sounds? If you press the gong or drum hard, the gong or drum will not make any sound, but if you hit it lightly, it will make sound. Why is this? What method do we use...

"How Sound is Produced" Sound PPT Courseware 5:

"How Sound is Produced" Sound PPT Courseware 5 Experiment 1: Make objects make sounds. Warm reminder: 1. Discuss how to do it before the experiment, and finish one before doing the next one. Each experiment should be repeated several times to ensure accuracy. 2. Don’t use too much force when making sounds.

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Update Time: 2024-11-21

This template belongs to science courseware Fourth Grade Science Volume 1, Textbook Edition industry PPT template

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