======Tuning Fork in Water====== **Materials: **{{$demo.materials_description}}\\ **Difficulty: **{{$demo.difficulty_description}}\\ **Safety: **{{$demo.safety_description}}\\ \\ **Categories:** {{$demo.categories}} \\ **Alternative titles:** ====Summary==== {{$demo.summary}} ====Procedure==== - Strike a tuning fork gently against a rubber pad or soft surface to set it vibrating. - Lower the vibrating tuning fork into a container of water. - Observe the water splashing and rippling due to the fork’s vibrations. - Explain that the tuning fork transfers its vibrational energy to the water. ====Links==== Tuning fork in water demonstration - SiouxScience: {{youtube>nYx21HoDHQs?}}\\ ====Variations==== * Use different tuning forks (different frequencies) to compare vibration strength and water effects. * Place the vibrating tuning fork against other surfaces (wood, glass, metal) to hear how sound changes. * Submerge only one prong in the water to show localized disturbance. ====Safety Precautions==== * Strike the tuning fork against a rubber stopper or soft surface, not a hard object, to avoid damage. * Ensure the container of water is stable to prevent spills. ====Questions to Consider==== * What causes the sound of the tuning fork? * Why do ripples appear in the water when the tuning fork touches it? * How is this similar to how sound travels through air? * What happens if you use tuning forks of different sizes or pitches?