Chapter 17 & 18 Study Guide

Chapter 17 1.What is the difference between electromagnetic radiation and electromagnetic waves? WAVES CARRY RADIATION (ENERGY) 2.EM waves can behave in two ways. What is the difference? WAVE- FLOW; PARTICLES- PHOTONS 3.What is the EM spectrum? ARRANGEMENT OF WAVES How are the waves arranged? LEAST TO GREATEST ENERGY 4.What are the different EM waves that make it up? R, M, I, VL, UV, X, G

Chapter 18 1.What are 3 types of materials? TL, TP, O 2.What are primary colors of light? R, G, B Secondary? C, M, Y 3.What are primary colors of pigments? C, M, Y Secondary? R, G, B 4.When primary colors of light combine in equal amounts what is produced? WHITE LIGHT For pigments? BLACK PIGMENT 5.What are 3 types of mirrors? CV, CC, P

6.What is the difference between reflection and refraction? BOUNCES/ BENDS 7.When light enters a new medium what happens? CHANGES SPEED 8.How are rainbows formed? RAINDROPS ACT LIKE PRISMS 9.What cause a mirage? REFRACTION 10.What are 2 types of lenses and how are they different? CC/ CURVES IN; CV/ CURVES OUT 11.What are the parts of the human eye and their functions? C, P, I, L, R, ON 12.What is nearsightedness? CAN SEE CLOSE What lens corrects it? CC 13.What is farsightedness? CAN SEE FARWhat lens corrects it? CV 14.What is a telescope? OPTICAL INSTRUMENT Its use? SEE DISTANT OBJECTS 15.What is a microscope? OPTICAL INSTRUMENT Its use? SEE SMALL OBJECTS 16.Be able to ID convex/concave mirrors and convex/concave lenses from a diagram.

What’s the Difference? Mirror Concave Convex Lens Concave Convex