ALL sounds are produced by vibrations. Sound waves travel as longitudinal (compressional) waves. Compression â region of high molecular density and high air pressure. Rarefaction…

Chapter #12 Sound and Light Chapter 12.1 Notes Decibels (dB) units used to measure sound intensity. Infrasound any sound consisting of waves with frequencies lower than 20…

Slide 1 SOUND WAVES Sound Waves A sound wave is a wave of alternating high-pressure and low-pressure regions of air. How are Sounds Made? When someone or something makes…

Sound & Light Chapter 15 Sound Sound waves are caused by vibrations, and carry energy through a medium. Sound waves are longitudinal waves. Speed of sound depends on…

A-LEVEL FOUNDATION PHYSICS CAMBRIDGE MODULAR SCIENCES AND OCR Wave motion and progressive waves A wave motion is a means of transferring energy from one point to another…

Ch. 11 and 15 Ch. 11 and 15 Light, Sound and Electromagnetic Waves Sound Waves When an object vibrates, it creates sound waves. Sound waves are compressional waves. The compression…

Fig. CO7 Ocean currents Large-scale moving seawater Surface ocean currents Transfer heat from warmer to cooler areas Similar to pattern of major wind belts Affect coastal…

Topic 21.1 Properties of Sound pp. 454 - 458 Mr. Richter Agenda Introduction to sound. Notes: Frequency and Pitch Amplitude and Loudness The Speed of Sound The Doppler Effect…

Sound Waves Sound Waves What causes sound? vibrations in the air from voices or objects create sound If a tree falls in the forest and no one is around to hear it does it…

Slide 1 End of Chapter Summary File The Interaction of Light and Matter Reflection and Refraction of Light 2 The opaque material in this candleholder only absorbs and reflects…