musical bottles
DESCRIPTION
This lesson plan on Musical Bottles utilizes technology to enhance instruction on vibration for the 4th grade classroom.TRANSCRIPT
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Attention ALL Scientists!!!What Scientists Do
ThinkObserve ExperimentDiscoverNever, never, never, quitRecord data in pen,
(never erase ideas)Work hardAsk questionsAlways do their best
What Scientists Don’t Do Goof aroundBreak rules and
proceduresPlay with toolsPlay with
experiment equipment
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Who wants to be a Scientist?
First, Think and Quick-write: in your science notes on sound
All I know and remember about sound (include any vocabulary words)
Then, share
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Musical Bottles
LET'S EXPLORE!
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How many of you have you ever blown into a
bottle to make a sound?
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Make a Prediction (record)Question/Investigation: Why do some
objects produce a high sound and others a low sound?
Prediction: If I want to make a high sound, then I will blow into (which bottle?)_________________________ because_______________________________________
If I want to make a low sound, then I will blow into (which bottle?)_________________________ because_______________________________________
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Challenge!Time to TEST Your
Predictions
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What did you notice???Record evidence - neatly (What I did - may be pictures, chart, table) which bottle made the highest and lowest sound?
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Does anyone know the scientific term for the highness
and lowness of sound?PitchHow is it that we are hearing high and low sounds?
Let’s investigate…
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What did you notice?
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What is moving the salt?Sound vibrations.
When I bang the pan, vibrations travel through the air wave
Where is the evidence of this?
The movement of the salt……
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ALL SOUNDS ARE MADE BY THINGS VIBRATING
SOOOOOOO…. the most water = the highest
pitch and
the least water = the lowest pitch.
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Can you use the idea that sound is vibration to explain your observations?Ask yourself – What is vibrating?
Air?Water?Glass?
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Sound is vibration (record)The slower vibration = lower pitchFaster vibration = higher pitch
Think about your recorders…How did you get a high note? How did you get
a low note?
Other musical instruments: Lower pitch (when extended)
Higher pitch (shorter)
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Part two: Tapping the bottles ….
Will we get the same results???
Make your predictions….
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Make a PredictionPrediction: If I want to make a high sound,
then I will TAP(which bottle?)_________________________ because_______________________________________
If I want to make a high sound, then I will TAP (which bottle?)_________________________ because_______________________________________
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Challenge!Time to TEST Your
Predictions
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What did you notice???Record evidence - neatly (What I did - may be pictures, chart, table) which bottle made the highest and lowest sound?
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Why are the results opposite????
REMEMBER:
Sound is a vibrationThe slower vibration = lower pitchFaster vibration = higher pitch
Ask yourself –
What is vibrating?Air?Water?Glass?
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How are the two examples:the same? different?
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Apply what you know…
Xylophone prediction
Which key on the xylophone will have the highest pitch?
Guitar predictionWhich string on the
guitar produces the lowest pitch?
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ReferencesNesbit, Tracy, Hargrove, Harrelson, & Maxey.
Winter, 2004. Implementing science notebooks in the Primary Grades. Science Activities, (40) 4. 21 - 29.
Lesson adapted from AIMS (2003). Musical Bottles. Lawrence Hall of Science: Berkeley, CA.