1. What will light do in the following 3 situations? Created by KBuckner for Fried or Slide PBL 2010

2. Light travels in a straight line But when it hits an object it can do 1 of 3 things….it can 1) be reflected Created by KBuckner for Fried or Slide PBL 2010

3. Light travels in a straight line But when it hits an object it can 2) be transmitted (pass through) Created by KBuckner for Fried or Slide PBL 2010

4. Light travels in a straight line But when it hits an object it can 3) be absorbed Created by KBuckner for Fried or Slide PBL 2010

5. Absorption Absorption is the disappearance of an EM wave into the medium Absorption can cast shadows Created by KBuckner for Fried or Slide PBL 2010

6. The 3 ways that light behaves Created by KBuckner for Fried or Slide PBL 2010

7. Light waves interact with materials Light can be reflected, transmitted, or absorbed…but why?

8. It depends on whether the object is transparent, translucent or opaque Created by KBuckner for Fried or Slide PBL 2010

9. Translucent Translucent materials transmit some light but cause it to spread in all directions You can see light through these materials but not clearly Lampshades, frosted glass, sheer fabrics, notebook paper Created by KBuckner for Fried or Slide PBL 2010

10. OPAQUE Opaque materials do not allow any light to pass through them Construction paper, Trees, Animals Created by KBuckner for Fried or Slide PBL 2010

11. LET’S REVIEW TRANSPARENT TRANSLUCENT OPAQUE Created by KBuckner for Fried or Slide PBL 2010

12. This flask is …. Transparent Translucent Opaque Created by KBuckner for Fried or Slide PBL 2010

13. This lamp shade is… Transparent Translucent Opaque Created by KBuckner for Fried or Slide PBL 2010

14. This vase is …. Transparent Translucent Opaque Created by KBuckner for Fried or Slide PBL 2010

15. Aluminum Foil is… Transparent Translucent Opaque Created by KBuckner for Fried or Slide PBL 2010

16. Saran Wrap is …. Transparent Translucent Opaque Created by KBuckner for Fried or Slide PBL 2010

17. Wax paper is…. Created by KBuckner for Fried or Slide PBL 2010

18. These bulbs are …. Transparent Translucent Opaque Created by KBuckner for Fried or Slide PBL 2010

19. This rock is…. Transparent Translucent Opaque Created by KBuckner for Fried or Slide PBL 2010

20. The water in the fish tank is ….. Transparent Translucent Opaque Created by KBuckner for Fried or Slide PBL 2010

21. Tissues are… Transparent Translucent Opaque Created by KBuckner for Fried or Slide PBL 2010

22. Notebook Paper is… Transparent Translucent Opaque Created by KBuckner for Fried or Slide PBL 2010