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Presentation transcript:

Today in your notebooks Left side items Right side items Wave sentences Intro to Energy and waves

Which type of electromagnetic wave has a wavelength of approximately 10-10 meter and a frequency of 1018 hertz? A. Xray B. Gamma Ray C. Radio wave D. TV wave

Today in your notebooks Left side items Right side items Wave sentences Intro to Energy and waves notes Transverse wave diagrams Transverse waves notes Bill Nye Waves Frequency notes In Question 9.24 BLANK Brainpop waves, mapping EQ1 Compressional waves notes Wave calculations Wave formula notes Sound notes Pre/Post test- waves Pre/post test graph

Sound (right) Sound is produced when molecules push against each other causing vibrations. We hear sound b/c sound waves vibrate on the eardrum. 2) Sound moves as a longitudinal wave- needs a medium (air, water etc) Speed of sound depends on spacing of molecules. Sound moves faster in water compared to air as the molecules in water are closer together in a liquid. What is sound? 2) How does sound travel?