1. Waves 1.1 Waves transfer energy. 1.2 Waves have measurable properties.
CHAPTER
NEW CHAPTER
Waves
the BIG idea
Waves transfer energy and interact in predictable ways.
1.1
Waves transfer energy.
1.2
Waves have measurable properties.
1.3
Waves behave in predictable ways.
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2. 1.1 Transverse Wave direction of disturbance direction of wave
Waves transfer energy.
Transverse Wave
direction of disturbance
direction of wave
transfer of energy
wave
medium
mechanical wave
transverse wave
longitudinal wave
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SIMULATION
Simulate the effect different degrees of force have on a wave.
SECTION
OUTLINE

3. 1.1 Longitudinal Wave direction of disturbance direction of wave
Waves transfer energy.
wave
Longitudinal Wave
direction of disturbance
direction of wave
transfer of energy
medium
mechanical wave
transverse wave
longitudinal wave
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4. 1.1 wave Waves transfer energy.
medium
mechanical wave
A disturbance that transfers energy from one place to another without requiring matter to move the entire distance.
transverse wave
longitudinal wave
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KEY CONCEPT
SUMMARY

5. 1.1 medium Waves transfer energy.
mechanical wave
A substance through which a wave moves.
transverse wave
longitudinal wave
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KEY CONCEPT
SUMMARY

6. 1.1 mechanical wave Waves transfer energy.
medium
mechanical wave
A wave, such as a sound wave or a seismic wave, that transfers kinetic energy through matter.
transverse wave
longitudinal wave
CHAPTER
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KEY CONCEPT
SUMMARY

7. 1.1 transverse wave Waves transfer energy.
medium
mechanical wave
A type of wave in which the disturbance moves at right angles, or perpendicular, to the direction in which the wave travels.
transverse wave
longitudinal wave
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KEY CONCEPT
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8. 1.1 longitudinal wave Waves transfer energy.
medium
mechanical wave
A type of wave in which the disturbance moves in the same direction that the wave travels.
transverse wave
longitudinal wave
CHAPTER
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KEY CONCEPT
SUMMARY

9. Waves have measurable properties.
1.2
Waves have measurable properties.
water level
at rest
fixed point
crest
trough
crest
Wavelength is the distance from one
crest or trough to the next.
trough
amplitude
wavelength
frequency
Amplitude is
the distance a
medium moves
above or below its
position at rest.
Frequency is the number of wavelengths passing a fixed point in a certain amount of time.
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SECTION
OUTLINE

10. Waves have measurable properties.
1.2
Waves have measurable properties.
crest
trough
VISUALIZATION
Watch the graph of a wave form.
amplitude
wavelength
frequency
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SECTION
OUTLINE

11. 1.2 crest Waves have measurable properties.
trough
amplitude
The highest point, or peak, of a wave.
wavelength
frequency
CHAPTER
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KEY CONCEPT
SUMMARY

12. 1.2 trough Waves have measurable properties.
crest
trough
trough
amplitude
The lowest point, or valley, of a wave.
wavelength
frequency
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KEY CONCEPT
SUMMARY

13. 1.2 amplitude Waves have measurable properties.
crest
amplitude
trough
amplitude
The maximum distance that a disturbance causes a medium to move from its rest position; the distance between a crest or trough of a wave and line through the center of a wave.
wavelength
frequency
CHAPTER
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KEY CONCEPT
SUMMARY

14. 1.2 wavelength Waves have measurable properties.
crest
wavelength
trough
amplitude
The distance from one wave crest to the next crest, or from any part of one wave to the identical part on the next wave.
wavelength
frequency
CHAPTER
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KEY CONCEPT
SUMMARY

15. 1.2 frequency Waves have measurable properties.
crest
frequency
trough
amplitude
The number of wavelengths (or wave crests) that pass a fixed point in a given amount of time, usually one second.
wavelength
frequency
CHAPTER
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KEY CONCEPT
SUMMARY

16. Waves behave in predictable ways.
1.3
Waves behave in predictable ways.
Reflection
reflection
refraction
diffraction
interference
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SECTION
OUTLINE

17. Waves behave in predictable ways.
1.3
Waves behave in predictable ways.
Refraction
reflection
refraction
diffraction
interference
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OUTLINE

18. Waves behave in predictable ways.
1.3
Waves behave in predictable ways.
Diffraction
reflection
refraction
diffraction
interference
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SECTION
OUTLINE

19. 1.3 reflection Waves behave in predictable ways.
refraction
The bouncing back of a wave after it strikes a barrier.
diffraction
interference
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KEY CONCEPT
SUMMARY

20. 1.3 refraction Waves behave in predictable ways.
reflection
refraction
refraction
The bending of a wave as it crosses the boundary between two mediums at an angle other than 90 degrees.
diffraction
interference
CHAPTER
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KEY CONCEPT
SUMMARY

21. 1.3 diffraction Waves behave in predictable ways.
reflection
diffraction
refraction
The spreading out of waves as they pass through an opening or around the edges of an obstacle.
diffraction
interference
CHAPTER
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KEY CONCEPT
SUMMARY

22. 1.3 interference Waves behave in predictable ways.
reflection
interference
refraction
The meeting and combining of waves; the adding or subtracting of wave amplitudes that occurs as waves overlap.
diffraction
interference
CHAPTER
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KEY CONCEPT
SUMMARY

23. 1.1 Waves transfer energy. I. Waves transfer energy.
A. A wave is a disturbance.
medium
1. Forces and Waves
mechanical wave
2. Materials and Waves
transverse wave
3. Energy and Waves
longitudinal wave
B. Waves can be classified by how they move.
1. Transverse Waves
2. Longitudinal Waves
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KEY CONCEPT
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24. Waves have measurable properties.
1.2
Waves have measurable properties.
II. Waves have measurable properties.
crest
A. Waves have amplitude, wavelength, and frequency.
trough
amplitude
1. Measuring Wave Properties
wavelength
2. How Frequency and Wavelength Are Related
frequency
3. Graphing Wave Properties
B. Wave speed can be measured.
CHAPTER
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KEY CONCEPT
SUMMARY

25. Waves behave in predictable ways.
1.3
Waves behave in predictable ways.
III. Waves behave in predictable ways.
reflection
A. Waves interact with materials.
refraction
1. Reflection
diffraction
2. Refraction
interference
3. Diffraction
B. Waves interact with other waves.
1. Waves Adding Together
2. Waves Canceling Each Other Out
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KEY CONCEPT
SUMMARY

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SIMULATION
Simulate the effect different degrees of force have on a wave.
VISUALIZATION
Watch the graph of a wave form.

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