| Category | Format | Size |
|---|---|---|
| People's Education Press Fourth Grade Science Volume 2 | pptx | 6 MB |
"How Sound is Produced" Various Sound PPT Courseware
Description
"How Sound is Produced" Various Sound PPT Courseware
we explore
rubber band vibration sound
ruler vibration sound
paper vibration sound
Notice how the object changes when it makes a sound?
What does an object make a sound about?
Check it out
Does the drumhead vibrate when it sounds?
How did you know?
The drum head vibrates to produce sound
think about it
Do other objects also need to vibrate to make sound?
Observe and think
Does the water vibrate when it makes sound?
What does it mean?
Consolidate application
1. (Demonstration) Stop the sound of the gong that is sounding? Why?
2. Can sound be produced without any objects? Why?
Extracurricular research:
Shake the rear wheel of the bicycle, insert the front end of a cardboard strip into the bicycle strip, shake the wheel, and make the paper strip make different high and low sounds. Observe and study. What factors are related to the high and low sound?
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For more information about the PPT courseware "How Sound is Produced and Various Sounds", please click on the How Sound is Produced PPT Various Sounds PPT tab.
"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.
File Info
Update Time: 2024-07-02
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