OBJ: Given outline and abstract form SWBAT write a handwritten college-level lab report on light, prisms and filters with 70% accuracy. DN: Review Lab Report including procedures, conclusion questions. ACT: Complete Light Prism and Filters Lab. HW: Complete Lab (including college-style report, Conclusion Questions and Abstract Form, due end of period or Monday); SVQ2 Quiz (erosion- magnetic force), week of Dec 8; Light Exam, Dec 8.

LAB REPORT Title : State a title for lab. Problem: How does light behave as it travels through a prism and/or filters? Hypothesis: As white light travels through: 1] a prism, I observe _______ ? 2] a single red filter, I observe _______ ? 3] filters of one color (blue), I observe _______? 4] filters of different colors (red, blue), I observe ______? Materials: State equipment used during this lab.

PROCEDURES Experiment 1, Part A: Shine white light (flashlight) through a prism so that the light shines onto a sheet of paper. Record my observations (look at white screen). FLASHLIGHT PRISM SCREEN

PROCEDURES Experiment 1, Part B: Place a red filter between flashlight and prism. Record my observations. RED

PROCEDURES Experiment 2: Shine white light (flashlight) onto white screen. Add same color filters one at a time. Record my observations. SAME COLOR FILTERS

PROCEDURES Experiment 3: Shine white light through a prism onto the white screen. Place red filter between prism and screen. Record my observations. RED

PROCEDURES Experiment 4: Shine white light through a red filter. Place blue filter between red filter and the screen. Record my observations. REDBLUE

DATA / RESULTS For each experiment, I will do the following: 1] Describe what I observe on the white screen. 2] Using scientific terms (such as absorbed, transmitted, refracted), I will explain why this is happening. I will be specific.

REMEMBER Filter : absorbs (blocks) all colors except for the color of the filter R O Y G B I V e r e r l n i d a l e u d o n l e e i l g o n g e e w o t Black : absence of light

CONCLUSION QUESTIONS Experiment 1, Part A: 1. Name the colors seen on a screen when white light passes through a prism. Experiment 1, Part B: 2. What does a filter do to white light that passes through it? Experiment 2: 3. What happens to the light on the screen as you add filters of the same color? Experiment 3: 4. What happens to the other colors of light when they reach a RED filter? Experiment 4: 5. What would you see on a screen if you shined white light through a red filter then a blue filter? 6. Which color is the absence of light? 7. Is my hypothesis true or false?; I will explain myself. 8. Complete ABSTRACT FORM AND LAB REPORT