Which Materials Will Muffle Sound Best? 4A by Karlin Momongan https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6 en-us 2023-10-09 08:18:10 UTC 2024-09-11 13:53:21 UTC hello@padlet.com Problem: karlinmomongan3 https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3110758666 Which material will muffle sound best?

]]> 2024-09-10 00:37:15 UTC https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3110758666 Materials: karlinmomongan3 https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3110762576

  • Sound level meter (decibel meter)

  • Electric stopwatch

  • Bubble wrap

  • Cloth

  • Newspaper

  • Shoe box with lid

  • Sound level meter

  • Notebook and pencil for recording results

    • ]]>     2024-09-10 00:39:06 UTC https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3110762576     Plan/Procedure: karlinmomongan3 https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3110764205

  • Set up the sound level meter near a speaker producing a constant sound.

  • Cover the speaker with different materials (bubble wrap, cloth, newspaper).

  • Use the sound level meter to record the sound levels (in decibels) for each material.

  • Repeat for three trials for each material.

  • Record your results after each trial.

    • ]]>     2024-09-10 00:39:53 UTC https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3110764205     Prediction: Group 1-5 karlinmomongan3 https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3110766150 (Prediction: This is a guess about what you think will happen before you experiment.)


    Group 1: Cloth muffles sound best and newspaper muffles sound worst



    Group 2: Cloth muffle sounds best.

    Newspaper muffle sounds worst.



    Group 3: Bubble wrap muffles sound best and towel muffles sound worst.




    Group 4: bubble wrap will muffle the sound the best. And the cloth will muffle the sound the worst




    Group 5: the towel Will muffle the sound best and the newspaper Will not muffle the sound




    ]]>     2024-09-10 00:40:50 UTC https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3110766150     Results: Group 1-5 karlinmomongan3 https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3110778107 Click the form and record the results of the activity.

    ]]>     2024-09-10 00:47:09 UTC https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3110778107     Questions: Group 1 karlinmomongan3 https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3110785850 Questions:
    1. Which material muffled sound the best?
      Cloth and bubble rap

    2. Which material muffled sound the worst?
    newspaper

    ]]>     2024-09-10 00:50:54 UTC https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3110785850     Questions: Group 2 karlinmomongan3 https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3110789418

  • Do you think this investigation is a fair test? Explain.


    • Yes,because the distance is the same


    1. Could you identify the noise pollution in your community?



    Complaints

    ]]>     2024-09-10 00:52:44 UTC https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3110789418     Conclusion: Group 1-5 karlinmomongan3 https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3110791087 Conclusion:

     

    Group 1: cloth muffled sound best and newspaper  muffle worst








    Group 2: Cloth muffle sounds the best.

    Bubble wrap muffle sounds the worst.





    Group 3:







    Group 4: newspaper is the best at muffling sound and bubble rap muffles the worst









    Group 5:


    ]]>     2024-09-10 00:53:34 UTC https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3110791087     Group 3: karlinmomongan3 https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3111258295 Identify the control variable:

    ]]>     2024-09-10 04:56:14 UTC https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3111258295     Group 4: karlinmomongan3 https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3111259620 Identify the independent variable: the materials only

    ]]>     2024-09-10 04:56:54 UTC https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3111259620     Group 5: karlinmomongan3 https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3111261666 Identify the dependent variable:


    Material


    ]]>     2024-09-10 04:57:54 UTC https://padlet.com/karlinmomongan3/de6d1o56xz5yj8h6/wish/3111261666