As an introduction, students use water and springs to observe wavelength and frequency and discover the relationship between them. Their exploration of waves continues through investigating vibrations and the production of sound waves. Using an elasticized string allows students to create and observe different pitch notes and relate the sounds produced to the frequency of the vibrations. They then read about the wave nature of different energy forms, including light and sound, and are introduced to the fundamental features common to all waves. The reading compares and contrasts the similarities and differences among different energy waves and explains how our eyes and ears interpret various wave forms. Accommodates unlimited classes, each with 6 groups of 4 students. Includes Teacher guide, student sheets and assessment sheets.
Grades 6 to 12. Enough material for 28 students; extender materials allow more students to participate at the same time.
|Studying wavelengths and frequencies|