Dates

- Period A: Tuesday, September 22nd
- Period B: Tuesday, September 22nd
- Period F: Wednesday, September 23rd

Introduction to Waves

- what do you know?
- variation of height with time

Light Energy

- energy of light (units)
- wavelength of light (units)
- calculations (units)
- speed of light (units)
- c = Lf
- Practice (39, 40, 42)
- Note – show units / given / all math steps

Homework

- Chapter 7 (43-46) Due Friday
- Problems written on paper (no iPad)

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