2023年7月25日 · In Chapter 5: SOUND, Activity-9 explores the propagation of sound through liquids. By striking stones together inside a bucket of water and comparing the sound to striking them in air, students will learn how sound travels through different states of matter - …

2024年8月12日 · Topics and Sub Topics in Class 8 Science Chapter 13 Sound: Question 1. Choose the correct answer. (d) solids, liquids, and gases. Question 2. Voice of which of the following is likely to have a minimum frequency? Question 3. In the following statements, tick ‘T’ against those which are true and ‘F’ against those which are false.

2023年7月25日 · In this sound-related experiment, students take turns making different sounds, while one student at the blackboard listens and tries to identify the sources of those sounds without seeing them. This activity helps to highlight the importance of hearing and its role in recognizing various sounds in our surroundings.

Q1. Choose the best answer. 1. The hammer, anvil, and stirrup are three tiny bones found in the ) 2. When sound travels through the air, the air particles (A) do not vibrate (B) vibrate in all directions d rection of the sound wave ( 3. The pitch of a sound is how

2023年7月25日 · Learn about sound propagation in solids with this fun and easy experiment. Strike one end of a table or a strip and observe how sound travels through the medium.

The document provides a detailed lesson plan for a Grade 8 science class on sound waves. The objectives are to understand how sound is transmitted through different mediums and how sound waves are produced. Students will be grouped and complete an activity with materials like a guitar, straw and spoon to demonstrate sound wave propagation.

The chapter on Sound in Class 8 Science introduces students to the fact that Sound is a form of energy produced by vibrating objects. Sound plays an essential role in our daily lives, facilitating communication and providing a vast array of auditory experiences.

This page contains CBSE class 8 sound Worksheet along with their answers. We also have notes for this chapter that can be accessed through links given below. The production of sound takes place due to ____________. _________ is a fixed position where the oscillations produced. Amplitude is measured in ___________.

Do you see the vibrations in all the cases? Explain the principle on which Jal Tarang works. Name the organ in human that produces sound. How does it work? What do you mean by vacuum? What happens to the loudness of sound in vacuum? How do human hear the sounds? What do you mean by oscillatory motion? What is frequency?

2020年11月10日 · A. Tick ( ) the correct option: 1. Sound can travel through: 2. Voice of which of the following is likely to have minimum frequency? 3. Sound waves travel fastest in: 4. Sounds having frequency less than 20 Hz are called: 5. A tuning fork of frequency 384 Hz produces a lower note than one of frequency: B. State True or False: 1.