Refraction+Basics+p57

__ Refraction __ (Copy and Complete/Not Cornell/ Read Textbook page 57) (Numbers 1, 7, and 9 just copy) 1. The material through which a wave travels is called a medium. 2. If the medium stays the same, light travels in a … 3. Light might slowdown or speedup if it enters… 4. If light enters a new medium it will… 5. Refraction is… 6. Light bends differently when… 7. Light travels fastest in a vacuum. 8. When light passes: a. from air into water it.. b. from water into glass it… c. from glass into air it… 9. Vacuum has no density. a. Air is less dense than water. b. Water is less dense than glass. 10. As light passes from a less dense medium into a more dense medium it …… and is ……