Infrared+Waves

=Unit 2 Optics=

Chapter 4 Many properties of light can be understood using a wave model of light.

 * 4.3 Light and the Electromagnetic Spectrum**

Para

Page 157, Infrared Waves


 * **Questions** || **Answers** ||
 * What are infrared waves? || Type of electromagnetic radiation that has a longer wavelength and lower energy and frequency. ||
 * Warmer objects emit more or less infrared waves? || Warmer objects emit more infrared waves. ||
 * Cooler objects have more infrared waves, true or false? || False. Warmer objects have more infrared waves. ||
 * To read an infrared image, what color means more heat? || The warmest color is orange. ||
 * What does LANDSAT observe? || LANDSAT observes the extent of various crops or forests. ||
 * What does LANDSAT monitor? || LANDSAT monitors damage caused by insects, disease and fire. ||
 * To read an infrared image, what color means more heat? || The warmest color is orange. ||
 * What does LANDSAT observe? || LANDSAT observes the extent of various crops or forests. ||
 * What does LANDSAT monitor? || LANDSAT monitors damage caused by insects, disease and fire. ||
 * What does LANDSAT monitor? || LANDSAT monitors damage caused by insects, disease and fire. ||
 * What does LANDSAT monitor? || LANDSAT monitors damage caused by insects, disease and fire. ||



Go to http://youtube.com/watch?v=0DzpRkr96tQ for more pictures of infrated images. To learn more about infrared waves go to http://science.hq.nasa.gov/kids/imagers/ems/infrared.html
 * A infrated image of a jeep**