"Listening to Sounds" Sound PPT Courseware 2

Description

"Listening to Sounds" Sound PPT Courseware 2

Listen and think:

1. What object makes this sound? Please imitate it.

2. Do you like all these sounds? Why?

3. What other unique sounds have you heard in your daily life?

tuning fork

A tuning fork is a sound-producing instrument

Purpose: debugging musical instruments and testing pitch

Structure (composed of 3 parts):

U-shaped metal fork with handle,

A wooden box for amplifying the volume,

rubber hammer

Experiment 1

Compare the sounds produced by these two tuning forks. What are the differences? What are the different sounds when the same tuning fork is struck with different amounts of force? Use high, low, strong, weak to describe these sounds.

Experiment 2

Experimental steps:

1. Hang three iron nails of different sizes: large, medium and small.

2. Knock the large (medium, small) iron nails lightly, and then hit the large (medium, small) iron nails harder.

3. Keep quiet during the experiment and listen carefully to the sounds made by different nails to compare the differences.

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For more information about the PPT courseware "Sounds and Listening to Sounds", please click on the Sound ppt and Listening to Sounds ppt tags.

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"Listening to Sounds" Sound PPT Courseware 3:

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File Info

Update Time: 2024-12-01

This template belongs to science courseware Hunan Education Edition Fourth Grade Science Volume 1 industry PPT template

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