Gretchen Brinza
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Sound! Sound! Sound!

Sound and light are related in that they both travel in waves!  First graders will be spending some time learning  that sound can make matter vibrate and that vibrating matter can make sound!

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Communicating over a distance!

3/27/2015

 
First graders know that when we talk, our vocal chords vibrate.  The vibrations cause air to vibrate and eventually reach our ears and they receive the sound.  Sound can vary in volume, meaning it can be loud or soft or somewhere in between.  It can also vary in pitch, ranging in between high and low.

First graders are being challenged to use limited materials to communicate with someone across a distance.  They have a secret to share and don't want everyone to hear it, so they must contain the sound but still allow it to travel.  Check out their initial ideas and designs!

Sound is caused by vibrations...and vibrations cause...

3/18/2015

 
First graders are becoming sound experts.  They are seeing the effects of sound...and the effects of vibrations and what happens when we no longer hear sound or feel vibrations.

Using balloons and tubes, first graders are gathering more evidence to support how sound and vibrations are linked.  They are also looking for patterns about the sounds they hear and the vibrations they see or feel.  What types of sounds do strong vibrations make?  Weak vibrations?

Finding MORE evidence for vibrations!

3/4/2015

 
With a wide variety of objects and set-ups, first graders are looking for more evidence that vibrations cause sound.  They are also seeing how different sounds can be made as well as what causes us to hear sound or stop hearing it.  We'll be working in different sound stations for the next few weeks as we strengthen the practice of developing a model for what causes sound.  

Tuning Fork Experiments Continued...

3/2/2015

 
Picture
What happens when  you first strike a tuning fork?  What happens when you place the tuning fork you struck against your skin?  In the water?

First graders are seeing what causes sound!  They are looking for evidence to explain what vibrations are and how they are responsible for causing sound.  


    Mrs. Brinza

    As much as I love teaching, I DO NOT love the sound of my alarm clock each morning.  :-(

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