Light Unit

Goals:
1. What is Light?
Be able to describe and give effective examples of the strengths and weaknesses of the two models of light.

2. How does light behave?
A. Reflection:
i. What is the law of reflection?
ii. Be able to locate images and make ray diagrams.

B. Refraction:
i. What is refraction?
ii. What is Snell’s Law?
iii. How did we determine a law for refraction?
iv. Be able to solve problems and draw ray diagrams.

C. Colors:
i. What are primary, secondary and complementary colors?
ii. How are colors produced by dispersion, addition and subtraction of light?

D. Lenses:
i. Be able to draw ray diagrams for converging and diverging lenses.
ii. Identify images as real or virtual.

E. Others:
i. Explain the production of rainbows and the color of the sky and sunset.
ii. Summarize how diffraction and interference apply to light.

Assignments (tentative)

Color Concept Development Worksheet 28-1 due 2/25
Reflection concept development sheets 29-1, 29-2 due 2/27
Data tables and graphs for refraction lab due 3/2
Refraction Lab report due 3/10
Snell’s Law Worksheet due 3/11
Testing a Particle Model of Light due 3/13
Read Chapter 17 : Questions 31,33,41,42,54,57,58 due 3/16
Lens Worksheets due 3/20
Review Handouts due 4/2

Unit Test April 3