Tuesday, January 29, 2008

Tuesday, Jan 29, 2008 Class 4A

Hand out new Tiger Passes
Hand out notebooks - write name on cover, on inside cover write the addresses of the course blog sites, write down phone numbers of friends to contact in case of absence.
Go over final exam
Watch first part of Bill Nye video on Waves

Energy moves in waves
Picture of wave showing wavelength and amplitude
Frequency is the number of waves that pass by each second
High frequency => short wavelength - high pitched sound
Low frequency => long wavelength - low pitched sound

Demonstrate transverse and longitudinal people waves.

Handed out Reading Assignment 11.1 - due Thursday, Jan 31, 2008

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