Physics is a great reference app for all of your high. Phet sims are based on extensive education research and engage students through an intuitive, gamelike environment where students learn through exploration and discovery. It is a work in progress, and likely always will be. If you are doing this with middle school students, it will take longer. Students know sound is a longitudinal wave whose speed depends on the. The ophysics website is a collection of interactive physics simulations. Overview of sound waves by ron kurtus physics lessons. Students use the sound simulation from the phet interactive simulations to understand how different. Peter bohacek is a high school physics teacher who has perfected the art of. To relate the intensity of a sound wave to the amplitude of vibration of the particles. About the author all of the content on this site was created by me, tom walsh. Attention is given to both the purely conceptual aspect of sound waves and to the mathematical treatment of the same topic. Understanding doppler an ambulance turns on its siren as it is driving away from you.
Transform fft display of the data collection software to analyze the tones produced. Adjust the frequency or volume and you can see and hear how the wave changes. Sound waves can be classified into three groups, according to their frequency ranges. Stemfocused program about sound, waves and communication systems. A brief introduction to characteristics and attributes of sound waves for algebrabased physics students. The simple wave simulator interactive provides the learner with a virtual wave machine for exploring the nature of a wave, quantitative relationships between wavelength, frequency and speed, and comparisons between transverse waves such as those traveling through a rope and longitudinal waves such as sound. I recently retired after teaching high school physics for 27 years, and ap physics for 25 years. Waves two waves, each with an amplitude of are superimposed with constructive interference such that they are in phase. In physics, sound is produced in the form of a pressure wave. Wave speed on a string, tension, intensity, power, amplitude, frequency inverse square law physics duration.
Students will explore the characteristics of transverse and longitudinal waves. Longitudinal waves, such as sound waves, move parallel to its source. Infrasound consists of frequencies below 20 hz, audible sound consists of frequencies between 20 hz and 20,000 hz 20 kilohertz, and ultrasound consists of frequencies over 20 khz. Sound waves complete toolkit the physics classroom. Founded in 2002 by nobel laureate carl wieman, the phet interactive simulations project at the university of colorado boulder creates free interactive math and science simulations. The waves, sound, and light chapter of this high school physics homework help course helps students complete their waves, sound, and light homework and earn better grades.