1. Water Tank
1.
2. 4.
3.
Use the following terms to correctly label the diagram below:
A. reflected wave
B. refracted wave
C. incident wave
D. transmitted wave
5. Why is
wave 2 not as
bright as wave
1?
6. Why are
waves 3 and 4
not as straight
as wave 1?

2. ReviewReview
• Visible light
• ROY G. BIV
• RBG
• Transmitted, reflected,
absorbed

3. UltravioletUltraviolet
• “UV” light
• Shorter wavelengths than visible
light
• Higher energy than visible light
• Just above what humans can see
Can’t
see
these!

6. UltravioletUltraviolet
• Emitted by the sun
• Can cause sun burn,
cataracts, and cancer
Can’t
see
these!

7. UltravioletUltraviolet
• Most UV light from the sun is
absorbed by the atmosphere
• On some days more UV light
gets through than others
Can’t
see
these!

8. UltravioletUltraviolet
• UV light can break down:
–Fabrics
–Plastics
–Some paints
• And can be harmful to plant life
and animal life
Can’t
see
these!

10. UltravioletUltraviolet
Emitted by
welding
torches
Can’t
see
these!

11. FluorescenceFluorescence
•UV light is absorbed,
•and partially emitted as
visible light

12. ScorpionsScorpions

14. Money