Unit 4 - Waves and Sound

Waves and Sound Topics

• 8.1 What is a Vibration?
• 8.2 Types of Mechanical Waves – Transverse and Longitudinal
• Lab: The Pendulum
• 8.3 Wave Characteristics – period, frequency, phase
• Wave Speed – Universal wave equation
• 8.5 Properties of Sound Waves (speed of sound, mach number and Sound Intensity)
• Gizmo – Ripple Tank (Wave speed, diffraction, refraction)
• 9.1 Interference - superposition, resultant waveforms, beat frequency
• 9.2 Waves at Media Boundaries - Standing waves, transmission, reflection
• Mechanical resonance
• Resonance in air columns p 422 (open and closed)
• Vibrating Strings - harmonics, factors that change their frequency
• Diagram of Ear (parts and function)
• Doppler effect - apparent frequency

Review

Unit 4 Review M/C, T/F and Matching # 1-37

Short Answer # 41-44,46-53,55-58,64,71-3,81-83,88,97

Want more:

See Ch 8,9, and 10 Self Quizzes fo T/F and MC

Review sections and Unit 4 review (answers in back of text)