#1 - The more of the ruler that is off the table the lower...

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Jacob Murphy Reed Iacarella Katie Shandri Sect: A2 Due: 3/13/08 The Singing Ruler Purpose: To describe the pitch of the ruler stick at different lengths. Procedure: 1. Place the ruler on the edge of a table so that ¾’s of the ruler sticks out over the tabletop. 2. Bend the ruler down (not so it break) and release quickly. 3. Next bring the ruler in so less is sticking out. 4. Bend the ruler down again and release. 5. Describe the sounds (pitch) that you hear when the ruler sticks out at different lengths. 6. Record your answers. Observations/Data:
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Unformatted text preview: The more of the ruler that is off the table the lower the pitch is. The sound seems to last longer when the ruler is farther off the table. The closer the ruler is to the table the higher the pitch. Questions: N/A Generalizations: We found that how far the ruler was off the table affected the pitch. The longer it was off the table the lower the pitch and the closer it was to the table the higher the pitch. To improve this experiment you could also use a plastic ruler and have the kids describe the sounds....
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This note was uploaded on 03/30/2008 for the course CHEM 115 taught by Professor Erickson during the Spring '08 term at Augustana SD.

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