Answers and questions written by –Mark Lesmeister –Glenda Dawson High School –Pearland, TX

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Presentation transcript:

Answers and questions written by –Mark Lesmeister –Glenda Dawson High School –Pearland, TX

Choose a category. You will be given the answer. You must give the correct question. Click to begin.

Click here for Final Jeopardy

Add and Subtract Sweet Harmonies Voices Carry 10 Point 20 Points 30 Points 40 Points 50 Points 10 Point 20 Points 30 Points 40 Points 50 Points 30 Points 40 Points 50 Points The Nature Of Sound Catch a Wave

Of transverse or longitudinal, light waves are this.

What is transverse?

A single handclap could be classified as this type of wave.

What is a pulse wave?

This is the region in a longitudinal wave that corresponds to a trough.

What is a rarefaction?

This is the reciprocal of the period of a wave.

What is the frequency?

This is the distance a travelling wave moves in one period.

What is the wavelength?

This is what happens when a wave encounters a boundary and bounces back.

What is reflection?

This is the resultant of two equal waves travelling in opposite directions.

What are standing waves?

Of inverted or upright, this describes a wave reflecting off a fixed boundary.

What is inverted?

This happens when two waves have equal displacements on opposite sides of the equilibrium position.

What is complete destructive interference?

This is a point on a standing wave that does not move from equilibrium.

What is a node?

Of mechanical or nonmechanical, sound waves are this.

What is mechanical?

Of aluminum and water, this would have a higher speed of sound.

What is aluminum?

This causes a shift in the frequency of waves because of the relative motion of the source and observer.

What is the Doppler shift?

This is the beat frequency when 340 Hz and 342 Hz sounds are heard simultaneously.

What is 2 Hz?

This is what happens to the loudness of a sound that increases 10dB.

What is doubles?

This happens when the freqency of a force matches the natural frequency.

What is resonance?

This is the lowest natural frequency of a given system.

What is the fundamental or first harmonic?

This is the second harmonic of a 440 Hz note.

What is 880 Hz?

A tube open only at one end will have only these harmonics.

What are the odd harmonics?

A standing wave in an air column in a tube open at both ends will have at least this many nodes.

What is one?

This word refers to all sounds that are in the range of hearing.

What is audible?

This “sonic” word means sounds with frequencies above 20,000 Hz, too high for humans to hear.

What is “ultrasonic”?

This “sonic” word refers to speeds faster than Mach 1.

What is supersonic?

This refers to the lowest intensity of sound that can be hear by the average person.

What is the threshold of hearing?

This is the approximate intensity of sounds at the “threshold of pain” level.

What is 1 W/m 2 (or 120 dB)?

Make your wager

This is the fundamental frequency of a 0.4m guitar string with a wave speed of 200 m/s.

What is 250 Hz?