Grade 11 Waves and Sound Unit Outline

Activity, Material
Sept. 28/29
Vibrations and Waves
Vibrations - worksheet definitions and text problems

Vibrations and waves
Vibrations and Waves terms summary
video - Introduction to Waves (Khan Academy)
video - Introduction to waves (Earl Haig)
307-310, 441-443
Sept. 30/Oct. 1
Properties of Pulses and Waves (speed, reflection, particle motion)
Activity: Pulses in a Coiled Spring, worksheet questions
Pulses in a spring

Pulses in a spring summary
Oct. 2/5
Periodic Waves, The Universal Wave Equation
Activity: The Universal Wave Equation, text problems
Research: Periodic Waves - worksheet questions
Universal wave equation and periodic waves
Universal wave equation and periodic waves notes

video - Calculations with f, T, v (Khan Academy)
Oct. 6/7
Interference and Superposition
Wave Interference applet
Activity: Interference in a Coiled Spring; Research, Exercise: Interference – worksheet questions
Interference in a coiled spring
Interference - main points
Interference - homework solutions
Oct. 8/9
Interference and Standing Waves
video - Standing Waves (Earl Haig)
video - Making standing waves
Standing Wave applet

Activity: Standing Waves
Research: Standing Waves – worksheet problems
Standing waves
Standing waves - main points
Standing waves homework - partial answers
Oct. 14, 16/13, 15
Mechanical Resonance, Test Review
video - Breaking wine glass with resonance
video - Breaking wine glass with voice

video - Calculations with f, T, v (Khan Academy)
Test yourself! (The Physics Classroom)
Research: Resonance
Assignment: Review Problems
Resonance and waves review
Review - Multiple Choice Practice

Waves Test
Day 1 Students: Wednesday, October 21
Day 2 Students: Thursday, October 22
Oct. 26/23
Research: Sound Production, Transmission and Speed – worksheet questions and text problems
Sound Waves
Sound - main points

Simulation - sound waves
Introduction to Sound (NDT Centre)
The Right Stuff - part 1, Breaking the Sound Barrier
446-449, 449-453
Oct. 28/27
The Human Ear and Hearing (parts of the ear, hearing range)
Research: The Human Ear, Hearing Range – worksheet questions
Hearing, Beats
Hearing notes

Simulation - complex waves, beat frequencies
Activity: Hearing Range
On-line tone generator
464-466, 467-469,
Oct. 30/29
Characteristics of Sound (decibel system, music)
Research: The Characteristics of Sound – worksheet questions
Activity: The Oscilloscope
Characteristics of Sound, The Oscilloscope
Characteristics of Sound - notes
455-456, 501-503
Nov. 2/3
The Doppler Effect
Investigation: The Doppler Effect – worksheet questions
Research: The Doppler Effect – worksheet questions and text problems

The Doppler Effect
Doppler Effect applet
Nov. 4/5
Standing Waves in Air Columns (acoustic resonance and wind instruments)
Investigation: Air Columns – worksheet questions
Activity: Vibrating Columns of Air
Resonance in Air Columns
Nov. 6/9
Standing Waves in Strings (stringed instruments)
Research: Frequency of Strings – worksheet questions, text problems
Frequency of Strings
Nov. 10/11
Harmonics of Strings and Air Columns
Worksheet: Harmonics of String and Wind Instruments – worksheet questions
Harmonics of Strings and Air Columns
Assignment: Sound Review – worksheet and text problems
Nov. 10/11
Test Review
Unit Review and Test Prep Questions
Unit Review - MC Practice
Test yourself - Waves (The Physics Classroom)
Test yourself - Sound and Music (The Physics Classroom)

Sound Test
Day 1 Students: Monday, November 23
Day 2 Students: Friday, November 20