字幕表 動画を再生する 英語字幕をプリント You can see your reflection in any shiny surface, from a metal spoon to a puddle of water. Sometimes the reflection is sharp and clear, like the reflection from a mirror. This is called regular reflection. At other times the image is fuzzy, like the reflection in moving water. This is called diffuse reflection. In a regular reflection, parallel light rays hit a smooth surface and are all reflected at the same angle. While in a diffuse reflection the light rays are reflected in different angles. To access a comprehensive array of complete multimedia lessons, as well as the most up-to-date, standards-based curriculum content that's researched, proven and teacher-approved, visit newpathlearning.com to create your FREE online learning account now! Each multimedia lesson includes animated presentations interactive activities, virtual labs, vocabulary exercises and standards-based assessments.