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![]() B05-Waves |
![]() Proficiency Standards
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![]() B07-E-M Waves |
![]() B08-Light |
B06
Sound
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What are sound waves? |
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![]() (Understanding) |
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Practice
Quiz: SCA_B06 Sound Take every day before sleeping! Vocabulary Review Activities BrainPop Animations and Practice Quizes * > ![]() |
Vocabulary The Nature of Sound?Chapter 2 Section 1: Pages 40-45: Properties of Sound: Chapter 2, Section 2 Pages 46-51 Combining Sound Waves & Music Chapter 2, Section3 Pages 52-61 Hearing Sound Chapter 2, Section4 Pages 52-61 Sound Reading Essentials NG Sound And Light All About Light and Sound & worksheet Pioneers of Light and Sound & worksheet Science Skills Handbook Appendix: Pages 202-214: Process Skills Packet (Online Textbook: Log onto Pearson.com, then click on the titles above for the online text.) |
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Reading & Math Work |
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Projects by Learning Style and Media Type |
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Essential Vocabulary & Concepts |
Picture | Core Knowledge or
Concept |
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Sound is a disturbance that
travels through a medium as a
longitudinal wave. Sound begins with a vibration. Sound waves can travel in solids, liquids and gasses. |
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An echo is when sound waves reflect off of an object |
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Sound waves spread out and can diffract or bend around
objects. |
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The loudness of a sound depends
on the amplitude or
energy of its wave. Intensity is the measure of the energy of a sound wave over an area. The unit of loudness is the decibel dB. |
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Distance can make
sounds less loud. As sound waves spread out, they have less energy per unit of area, so they sound softer. |
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The pitch of a sound depends on its frequency. The unit of frequency is the Hertz or Hz. Humans can ususally hear from 20Hz to 20,000 Hz. |
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The speed of sound is different in
different materials. Sound generally goes slower in gasses and faster in solids. Speed can change with elasticity, density, and temperature. A sonic boom is when something goes faster than mach 1, the speed of sound. |
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Doppler effect moving
sound sources can make frequencies appear higher or lower by
compressing or spreading out waves. |
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Scientist / Engineers Robert Moog manufactured early synthesizers by creating sound modules that could generate or change sound waves. |
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Technology Synthesizers are musical instruments that simulate or create the sounds of instruments by changing the shapes of sound waves. |