Science/sound

hello its Maia  and I am going to tell you about sound.

 

sound

sound are vibrations  and vibrations are sound waves. Sound waves are like the oceans waves sometimes at the beach the waves are small, same with sound waves when you speak softly the sound waves are small to, lets say you go to the beach the next day and the waves are bigger  its the same with sound waves again if you speak louder the sound waves are bigger.

 

 

       pitch

a pitch is like volume, for example if someone said that is a high pitch sound it means it is a loud sound and if someone said that is a lo pitch sound it means it is a lo sound.  A dog whistle is a really high pitch higher than a human can hear.

  

 

 

 

   vibrations.

 

vibrations are something called sound waves, for example  say hello in a high pitch  and wile you are doing it feel your neck it will probably feel like it is vibrating those are sound waves travelling through your throat but if you do the same thing but with a high pitch you will

 

Echoes.

  

echoes are sound waves that are bounced of an object.  for example if you have ever went in to the maker space you probably made an echoes ,it happens when you make a noise and it is bounces of  an object and in to are ears.

 

   sound proof rooms

 

sound proof rooms are designed to make sure there is no echo first learnt about the at a museum called the science and technology museum. If you ask a friend to go in and make a really loud sound maybe even ask them to scream and you step out of the room while they are yelling you might not even hear them at all that is because the sound waves did not bounce in to are ears cool right.

 

 

 how are ear works.      

 

project time.     (watch after experiment )

for the experiment we need

  1. tuning fork
  2. salt
  3. container
  4. saran rap
  5. elastic

first we grab are container and place it on the table, next we grab the saran rap and place it on top then we grab the elastic  then rap the elastic around the the container to make sure the saran rap stays is place then sprinkle salt on the  saran rap, then grab your  tuning fork and tap it on the table then move it really close to the saran rap (do not touch the saran rap)  and watch the salt move across the saran rap.

 

 

      reflection of science class.

  1. Science is going great. I love the activity we do.
  2.  I want to work on less talking with my friends.
  3. Science is going really well it is fun and are teacher is awesome
  4. In the future i would like to learn about animals and how they work.

 

 

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