Fifth Grade Science Volume 1, Textbook Edition
Science Edition for Sixth Grade Science Volume 2
Science Edition for Sixth Grade Science Volume 1
Third Grade Science Volume 2, Textbook Edition
Third Grade Science Volume 1, Textbook Edition
Fourth Grade Science Volume 2, Textbook Edition
Fourth Grade Science Volume 1, Textbook Edition
Fourth-grade science volume 2 of the E-education edition
Qingdao Edition Fourth Grade Science Volume 2
Hunan Education Edition Fourth Grade Science Volume 1
E-education edition fifth grade science volume 1
E-education edition fifth grade science volume 2
E-education edition sixth grade science volume 1
Fifth Grade Science Volume 2, Textbook Edition
Qingdao Edition Fourth Grade Science Volume 1
Zhejiang Education Edition Seventh Grade Science Volume 2
Category | Format | Size |
---|---|---|
Fourth Grade Science Volume 1, Textbook Edition | pptx | 6 MB |
Description
"The Propagation of Sound" Sound PPT
Part 1: Importing new lessons
Do students usually like to play with toys?
Today we are also going to play with toys. We are not only competing to see who can play well, but also competing to see who has gained more knowledge while playing. Today, the teacher brought everyone a tuning fork and a native telephone to continue exploring the mystery of sound.
Propagation of Sound PPT, Part 2: New Lesson Learning
Activity 1 Vibration and sound waves of objects
Strike the tuning fork:
Put a vibrating tuning fork into a water tank. What do you find?
Discussion: How does a vibrating tuning fork cause the water surface to move?
Think about it:
The vibration of an object produces sound, which can also cause the surrounding objects to vibrate, causing the sound to spread around.
Activity 2 Explore sound waves
Local phone number
Please pay attention to solving the following problems while playing:
(1) Did you hear the sound?
(2) How does sound travel from one end of the telephone to the other?
experiment procedure:
Use two paper cups as the microphone or receiver, and a piece of cotton or nylon wire about 5 meters long as the phone cord to make a native telephone.
Straighten the telephone line, one student speaks quietly into the microphone at one end of the line, and the other student answers with the handset at the other end of the line. Then, exchange listening and speaking with each other.
Propagation of sound PPT, part three: conclusion summary
What did you gain from today’s study? Group discussions and exchanges, representatives speaking.
Vibration of an object produces sound, and vibration can cause surrounding objects to vibrate, causing sound to travel from one place to another.
Propagation of Sound PPT, Part 4: Classroom Exercises
1. How does sound travel? ________.
2. Sound propagates in the form of ______. When sound waves encounter objects, they cause ______. This is how sound passes through various materials and ____________.
3. As long as an object vibrates, we can hear sound. Is this view correct?
Propagation of Sound PPT, Part 5: Homework Arrangements
Does sound propagate the same in different objects?
Keywords: Free download of Chinese PPT courseware for the first volume of the fourth grade of the textbook version, download of the propagation of sound PPT, download of sound PPT, .PPT format;
For more information about "The Propagation of Sound" PPT courseware, please click on the "Sound ppt Propagation of Sound ppt" tag.
"Protecting Our Hearing" Sound PPT Download:
"Protect Our Hearing" Sound PPT Download Part One: Introduction of New Lessons Do students usually like to play with toys? Today we are also going to play with toys. We are not only competing to see who can play well, but also competing to see who has gained more knowledge while playing. today..
"Protecting Our Hearing" Sound PPT:
"Protecting Our Hearing" Sound PPT Part One: Group Discussion How to stay away from noise? Cover your ears, wear protective devices, listen to pleasant music, and stay away from the sound source. Tip: Frequent use of earplugs to listen to music can cause fatigue or even damage to the hearing organs, thus...
"How We Hear Sound" Sound PPT Download:
"How We Hear Sounds" Sound PPT Download Part 1: Introduction to the new lesson How do ears hear sounds? The vibration of the object produces sound, which is transmitted through the air to our ears in the form of waves. So how do the ears hear the sound?
File Info
Update Time: 2024-10-19
This template belongs to science courseware Fourth Grade Science Volume 1, Textbook Edition industry PPT template
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