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In the Thundering Tube Demonstration Kit for physical science and physics, pull or shake the spring fastened to the rubber drum and hear an astonishingly realistic “rumbling” sound of thunder.

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Does a vibrating spring produce sounds even when they cannot be heard? Use the Thundering Tube amplifier to find out! Pull or shake the spring attached to the rubber drum attached to one end of the Thundering Tube and you will hear an astonishingly realistic “rumbling” sound of thunder. As you vary the length of the tube, students will hear only the sounds that are in resonance with the column length. Even though numerous sound frequencies are produced by the vibrating spring, they are “silenced” until the tube length changes. A perfect demonstration device to explain resonance, amplification and even musical instruments. Includes complete instructions and a reproducible student worksheet.

Concepts: Sound pitch, resonance, amplification.
Time Required: 15 minutes


Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Asking questions and defining problems
Developing and using models
Analyzing and interpreting data
Planning and carrying out investigations
Constructing explanations and designing solutions

Disciplinary Core Ideas

MS-PS2.A: Forces and Motion
MS-PS3.B: Conservation of Energy and Energy Transfer
MS-PS4.A: Wave Properties
HS-PS2.A: Forces and Motion
HS-PS3.B: Conservation of Energy and Energy Transfer
HS-PS4.A: Wave Properties

Crosscutting Concepts

Patterns
Cause and effect
Scale, proportion, and quantity
Energy and matter

Performance Expectations

MS-PS4-1. Use mathematical representations to describe a simple model for waves that includes how the amplitude of a wave is related to the energy in a wave.
MS-PS4-2. Develop and use a model to describe that waves are reflected, absorbed, or transmitted through various materials.
HS-PS4-1. Use mathematical representations to support a claim regarding relationships among the frequency, wavelength, and speed of waves traveling in various media.