1. They are materials that do not allow light to pass through them. A. opaque B. translucent C. shadow 2. What is formed when light is blocked? D. none of the above A. rays B. angles C. shadow 3. D. different shapes How does light travel? in a curve B. in a straight line C. in a circle D. in a loop Objects are not clearly seen through these materials because they blur the light that passes through them. A transparent B. translucent C. opaque D. clear glass 5. What happens when light falls on a wood? Light is A. absorbed B. transmitted C. blocked D. scattered 6. Which does not belong to the group? A. eye glasses B. plastic bottle C. magnifying glass D. clay The bouncing back of light when it strikes a smooth and shiny surface is A. reflection B. transmission C. absorption D. conversion 8. Light is absorbed when it strikes on materials with dark colors and what kind of surfaces? A. shiny B. plain C. rough D. colored 9. In Japan, people wear heat absorber clothing during A. summer B. winter C. spring D. fall 10.The light absorbed by a material is changed to A. heat B. shadow C. food D. image 11.What kind of surface best reflects an image? A. smooth B. shiny C. smooth and shiny D. rough and dull 12. Which of these objects can make a dark shadow? D. wax paper A. window glass B. horse statue C. plastic wrap 13. A wax paper is translucent because A. It stops some, but not all of the light. B. It stops all of the light. D. It stops light completely. C. It does not stop the light. 14. Which of the following is transparent? D. wood C. stone A glass B. leaf 15. Which of the following is translucent? C. hollow block A. wax paper B. plastic cover D. mirror
