Students use the pH sensor to measure changes in the pH when CO2 dissolves in water. They also study the changes in the pH when sulphuric acid is added to water and identify water bodies most likely to be affected by acid rain. https://education.ti.com/en/activity/detail/vernier--acid-rain
In this lesson, students will explore graphical and algebraic representations of sound beats produced by two tuning forks and investigate the frequency conditions that are necessary to produce sound beats. https://education.ti.com/en/activity/detail/sound-beats
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