"How Sound is Produced" Various Sounds PPT Courseware 2

Description

"How Sound is Produced" Various Sounds PPT Courseware 2

1. Place paper scraps on the drum surface, tap the drum surface to make the drum sound, and observe the changes in the paper scraps.

2. Press one end of the ruler on the table, extend the other end out of the table, move the ruler, and observe the sound and changes of the ruler.

3. Press, tap, and stir the balloon respectively to observe which way can make the balloon sound and the changes of the balloon when it makes sound.

4. Make a sound yourself, put your hands on your throat, and compare the condition of your throat when you speak and when you don’t speak.

How is sound produced?

Sound is produced by the vibration of an object. When the vibration of the object stops, the sound emitted by the object stops.

Make a small phone

1. Draw your favorite pattern on the paper cup.

2. Cut the toothpick into an appropriate length, a little smaller than the width of the bottom of the cup, and put it into the cup.

3. Poke a small hole in the bottom of the paper cup with a toothpick, not too big, insert a piece of cotton thread, take it out from the mouth of the cup, and tie the cotton thread to the cut toothpick. Do the same with the other end of the cotton string.

4. Tighten the cotton thread, one person will put the paper cup to the mouth, and the other person will put the paper cup to the ear.

think

1. If a student pinches a part of the line while using a small phone, can the listening party still hear the sound?

2. What if the thread is not tightened but is in a slack state?

Keywords: various sound teaching courseware, teaching courseware on how sound is produced, PPT courseware download for the second volume of the fourth grade of the People's Education Edition, download of science slide courseware for the fourth grade, download of various sound PPT courseware, Download PPT courseware on how sound is produced, in .PPT format;

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 tag.

"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: 2024-11-22

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

Preview