Difference between revisions of "MHSB - 7 - Science :: Sound- Production of Sound"

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'''Learning Outcome:'''
 
'''Learning Outcome:'''
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# Better understanding of how sound is produced and various types of sound
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# Students have a better understanding of how sound is produced and various types of sound
 
# They learn about oscillatory motion.
 
# They learn about oscillatory motion.
  

Revision as of 09:37, 14 November 2017

MSCERT-Science-Grade 7

[edit]

[Contributor - Nupur Nagar]


Objective: To educate how sound is produced and understanding terminologies related to sound

Subtopics to be covered:

  1. Oscillation, oscillatory motion and amplitude
  2. Frequency and time period
  3. Types of sound and their frequencies

Learning Outcome:

  1. Students have a better understanding of how sound is produced and various types of sound
  2. They learn about oscillatory motion.

[Contributor - Kripa S]

http://www.ekshiksha.org.in/images_sound_IX/figure_1.JPG (sound produced by tuning fork) http://aven.amritalearning.com/userfiles/1/image/musicq22.jpg (some musical instruments)

[Contributor - Kripa S]

1. https://www.youtube.com/watch?v=BoSh_ei7KoI (straw flute) 2. Make a list of sounds you hear in your surroundings. 3. Take a rubber band. Put it around the longer side of a pencil box. Insert two pencils between the box and the stretched rubber. Now, pluck the rubber band somewhere in the middle. Do you hear any sound? Does the band vibrate? 3. Take a metal dish. Pour water in it. Strike it at its edge by a spoon. Do you hear a sound? Again strike the plate and then touch it. Can you feel the dish vibrating? Strike the dish again. Look at the surface of water. Do you see any waves there? Now hold the dish. What change do you observe on the surface of water? Can you explain the change? Is there a hint to connect sound with the vibrations of a body? 4. https://www.youtube.com/watch?v=m25z5qWtNsw (roaring bottle)

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Anonymous user #1

75 months ago
Score 0++
Looks like the first link is dead!

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Anonymous user #1

75 months ago
Score 0++
That comment is for the first link under the Images tab. I didn't realize the comments were not per section.

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