Wave Introduction Picture Analysis Frayer Model: What is a wave and what is it not?
Waves HOT questions: What could be the danger for countries with not enough money during seismic events? Loss of life, unable to detect or repair buildings What about those with more money but also more buildings and technology? Smaller loss of life but greater building damage. Better detection and more able to repair though costly.
Compare/Contrast: 2 Ways to Travel Longitudinal – side to side Transverse – up and down Can a wave do both? Turn and Talk
Imagine a Slinky…
Components of Waves
CFO speed questions Partner Ribbon Tests Transverse HUGE Amplitude Short wavelength Slow speed HIGH speed Pat on the back Practice: Describe how the fans in a stadium must move in order to produce a longitudinal stadium wave.
Summary/Feedback/Questions Waves can move up/down and side to side There are 4 main ways we can describe a wave Amplitude (Height) Frequency (How many waves hit one place over time) Speed Wavelength (How much time in between) Waves are in many forms Water Seismic (ground) Sound! Light!