Experiment cards for students on sound propagation, for example, make a string telephone or propagation of sound waves in a glass of water.
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Information and ideas:
• Observe the safety information in the instructions as well as the applicable safety guidelines for your school and discuss it with your students.
• The experiments on sound propagation show the students that sound needs a medium to propagate. It becomes clear which materials conduct sound better and which materials slow the propagation down.
• The experiments can be done either in groups or as station training.
Relevant for teaching:
Vibrations and waves