sound and lightOpt

sound and lightOpt - Consider the sound heard through the...

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Sound and Light Jenny Cox 100’s of free ppt’s from www.pptpoint.com library
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Why is the sky blue? Why are sunsets red? and
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Laboratory: How Sound Travels Part I: Does sound travel through paper, plastic, metal, and water? Part II: Which medium does sound travel best in: air, water, or wood? Part III: Do sound waves have to have a medium to travel through?
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Sound Lab Data Name I. Does sound travel through paper, plastic, metal, and water? Directions: Write Yes/No in the chart after testing the sound through each of these media. Paper Plastic Metal Water II. Which medium does sound travel best in- -air, water, or wood? Directions: Use the continuum below to compare the sound heard through air, water, and wood.
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Unformatted text preview: Consider the sound heard through the air to be number 5 (as marked below) so that the others can be compared to it. Base the number assigned on the quality of sound heard. Poor Quality High Quality 1 2 3 4 5 6 7 8 9 10 Air Additional Observations: III. Do sound waves have to have a medium to travel through? Hypothesis (check one): yes no Directions: Observe the teacher’s demonstration with the jar and bell. Fill-in the chart below with descriptions of each of the sounds heard. Bell Bell in jar with lid Bell in jar after burning paper Demonstrations • Sight and Light • Heart: After-image • Sound Wave Demo + marbles • Straw Whistle/Recorder • Stations...
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sound and lightOpt - Consider the sound heard through the...

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