| Category | Format | Size |
|---|---|---|
| Fourth Grade Science Volume 1, Textbook Edition | pptx | 6 MB |
"The Propagation of Sound" Sound PPT Courseware 3
Description
"The Propagation of Sound" Sound PPT Courseware 3
Can solids and liquids transmit sound?
Activity:
1. Take out the three plastic bags you prepared.
2. Clean the table, place one of the plastic bags flat on the table, put one ear gently on the bag, and cover the other ear.
3. At arm's length, tap or rub the table with the eraser on your pencil.
Notice:
1. When tapping the rubber-tipped pencil on the table, try to control the amount of force and tap lightly.
2. The classroom must be very quiet, use gestures to communicate, and write down your feelings.
Sound can be transmitted through all gas, liquid, and solid materials as media. These materials as transmission media are often referred to as media for short.
Sound travels through media. Sound cannot travel in a vacuum.
Learn about history
Can you use the knowledge you have learned to explain the scientific principles contained in "listening to the poppies"?
Outreach activities
Find a way to make the sound of beans in a mineral water bottle quieter or disappear.
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For more information about "The Propagation of Sound" PPT courseware, please click on the "Sound ppt Propagation of Sound ppt" tag.
"The Propagation of Sound" Sound PPT Download:
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"The Propagation of Sound" Sound PPT:
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"The Propagation of Sound" Various Sound PPT Courseware 5:
"Propagation of Sound" Various Sounds PPT Courseware 5 Propagation of Sound When the alarm clock rings, how does the ringtone enter your ears? Use a trumpet and a candle to demonstrate how sound travels through the air. When the sound source is not vibrating, the surrounding air is not vibrating either. ..
File Info
Update Time: 2024-07-04
This template belongs to science courseware Fourth Grade Science Volume 1, Textbook Edition industry PPT template
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