1. Monday, April 22 Today: Quick lab activity: curved lenses and mirrors
Introduce Ch. 31: Light Diffraction & Interference
Reminders:
Don't forget to turn in any assignments from last week!
Test this week - Chapters (Wed or Thur)
Portfolios due day of test
No school last Friday
New seating chart last Thursday

2. Today's Lab Activity: Curved Lenses and Mirrors
Concave vs. Convex, Converging vs. Diverging
Divide both sides of the graph paper in half by drawing a line down the middle of the front and back.
Number each section Steps 1-4
Each student must turn in their own graph paper and diagrams.
Use a straight-edge and a metric ruler!
You will be using cm and mm.
Be sure to read EVERY step!
Groups of 3-4 people.

3. How to draw the diagrams
Draw your ray diagrams so they look something like this.