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Sound Wave Interference Tube—Student Activity Kit

By: The Flinn Staff

Sound Wave Interference Tube Physical Science and Physics Activity Kit
interference, reinforce, destructive, superposition
apparatus, equipment
Sound Wave Interference Tube Physical Science and Physics Activity Kit
interference, reinforce, destructive, superposition
apparatus, equipment
Item #: AP7400 

Price: $41.12

In the Sound Wave Interference Tube Activity Kit for physical science and physics, demonstrate the apparent discrepant effects of sound interference. This is an easy-to-assemble apparatus.

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Product Details

Demonstrate the apparent discrepant effects of sound interference using an easy-to-assemble apparatus. Send a sound wave along two paths of different lengths. What happens if one path is blocked? The result may surprise you and your students! When sound waves interfere with each other, they may reinforce each other and sound much louder. Alternatively, they may also interfere destructively, so the sound becomes very faint or, in some cases, disappears entirely. Build a solid foundation for conceptual understanding by constructing the path length of the apparatus to correspond to the half-wavelength of the 512-Hz tuning fork included with the kit. An effective and fun demonstration as written, it can also be modified to promote inquiry! Challenge students to customize the apparatus for other tuning fork frequencies. Includes student worksheet and comprehensive Teacher Notes with lab hints and teaching tips, sample data and answers to all questions.

Specifications

Materials Included in Kit: 
Funnels, polypropylene, utility, 55 mm, 2
Latex tubing, natural, amber, 2½ feet
Tuning fork, C-512
Tubing connector, y-shaped, 2", 2


Correlation to Next Generation Science Standards (NGSS)†

Science & Engineering Practices

Asking questions and defining problems
Developing and using models
Planning and carrying out investigations
Using mathematics and computational thinking

Disciplinary Core Ideas

MS-PS4.A: Wave Properties
HS-PS4.A: Wave Properties

Crosscutting Concepts

Patterns
Cause and effect
Systems and system models

Performance Expectations

MS-LS2-2: Construct an explanation that predicts patterns of interactions among organisms across multiple ecosystems.
MS-LS2-4: Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.
HS-LS2-2: Use mathematical representations to support and revise explanations based on evidence about factors affecting biodiversity and populations in ecosystems of different scales.