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  • Online Extra: I Wonder Why: Sounds Are High, Sounds Are Low

    Page | March 2020

    Online Extra: I Wonder Why: Sounds Are High, Sounds Are Low

  • Sound Waves

    Book Chapter | May 2009

    In this inquiry activity, students will discover the relationship between length and pitch (frequency), tension and pitch, and mass per unit length and pitch without being instructed first. Many students confuse pitch…

  • Refraction of Sound

    Book Chapter | May 2009

    This lab introduces students to refraction using something they can experience. They really do not understand what is going on when a pencil is put into water and appears to bend. It is difficult to see rays of light…

  • Understanding Sound

    Book Chapter | September 2010

    Predict, Observe, Explain (POE) sequences provide an important way to enhance students' understanding of important scientific ideas. In this chapter, the series of experiments help students understand sound. The…

  • Sounds of Science

    Book Chapter | August 2011

    Learners explore how sound is produced by vibrations. They make a straw instrument and investigate how to vary its pitch. Learns also design and build an instrument that produces a high pitch and a low pitch and explain…

  • Sea sounds

    Book Chapter | December 2005

    Nature has exhibited the effects of a variable index of refraction for a very long time. The index of refraction of air varies with its density. Therefore, the index of refraction of the Earth’s atmosphere decreases…

  • Making Sound

    Book Chapter | March 2018

    The purpose of this assessment probe is to elicit students’ ideas about sound. The probe is designed to reveal whether students recognize that sound is produced by vibrating matter. The probe is provided in English and…

  • A Sound Walk

    Book Chapter | May 2019

    This activity takes the children on a sound walk around the school grounds or surrounding neighborhood to listen for different sounds. The children should walk without talking until they hear some sounds. Once back…

  • Sounds in Sunlight

    Journal Article | October 2023

    Solar eclipses are excellent platforms for engaging students with astronomy and for teaching concepts like the Sun-Earth-Moon relationship through rare natural events. Traditional STEM instruction, however, highly…

  • Discovering the Formation of Sound

    Journal Article | May 2022

  • Diagnostics Through Sound

    Journal Article | May 2022

  • Surveying Sounds of the Season

    Journal Article | April 2023

  • Calculating the Speed of Sound

    Book Chapter | May 2009

    Who hasn’t seen a dramatic flash of lightning, only to hear the dramatic “crack” of thunder several seconds later? But why does the thunder reach our ears after we see the lightning? Or, why does the sound of a high-…

  • Speed of Sound Lab

    Book Chapter | March 2017

    This high school physical science lesson has the following learning goals for students: design and conduct an investigation to determine the speed of sound in air; interpret their experimental results; and explain…

  • Wave Motion and Sound

    Book Chapter | March 2014

    Sound is one example of wave motion and the ability to hear sound is based on the principle of resonance. In this chapter’s activities, you will learn about standing waves, resonance, and an interesting wave phenomenon…

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