LearningTarget: Understand the characteristics of light Vocabulary • Wave trough • diffraction • velocity Agenda 1.Reminder to work on logs while the weather is good 2.Library 12:30 3.Light Lab 4. Worksheets on wave and light 5.Early Astronomy reports are due next week on October 17 You will be going to 12 stations, at each station there will be a mini-lab. Follow the instructions at the lab and in your notebook record the following. You do not have to do the labs in order: 1. The number of the lab 2. Describe what you observed 3. Answer any questions from the labs sheet 4. Describe the concept learned from what you observed—especially describe what characteristic of light are you seeing. 5. Apply the concept to what this means to everyday used or how this characteristic of light is useful. 1. Which has greater wavelength, infrared or ultraviolet? 2. Which has greater frequency, infrared or ultraviolet? 3. Which has greater energy, infrared or ultraviolet? 4. Whose law tells us that the wavelength of an object’s radiation is inversely proportional to it’s temperature 5. __________=frequency x wavelength Answers: 1. Infrared 2. ultraviolet 3. Ultraviolet 4. Wien 5. Velocity or speed