Investigating the Characteristics of Sound
A sound waves travels at different speed through different media. As it travels
it often bumps into objects it encounters, wat hits a hard smooth surface, the wave
reflects.
That means that the sound bounces back. The sound waves that bounce back
or returned is called an Echo
Example: the girl shouted at the flat concrete of the wall the owl's voice
reflected on the concrete wall and it cause an echo
Direction: Read carefully and write your observation in the space provided
1. Go to a place where there's a hard wall or surface and try to shout What did
you observe when you shouted?
2. What made you hear the sound you produced?
3. What do you call the sound that bounced back or returned to you?
4. What does this activily tell us about the characteristics of sound?
A sound waves travels at different speed through different media. As it travels
it often bumps into objects it encounters, wat hits a hard smooth surface, the wave
reflects.
That means that the sound bounces back. The sound waves that bounce back
or returned is called an Echo
Example: the girl shouted at the flat concrete of the wall the owl's voice
reflected on the concrete wall and it cause an echo
Direction: Read carefully and write your observation in the space provided
1. Go to a place where there's a hard wall or surface and try to shout What did
you observe when you shouted?
2. What made you hear the sound you produced?
3. What do you call the sound that bounced back or returned to you?
4. What does this activily tell us about the characteristics of sound?
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Answers & Comments
1.Yes
2.Sound wave
3.Echo
4.A wave is a vibratory disturbance in a medium which carries energy from one point to another without there being a direct contact between the two points.
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