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UV Exposure Scenarios

Ultraviolet light from the Sun and other sources can cause skin and eye damage. Using the following ratings see if you can predict which activities might expose you to harmful ultraviolet light.

Huge immediate damage, possibly permanent
Very large serious damage
Large sunburned
Moderate reddened
None no apparent effect
Ranking Activities
1. Tucson Arizona
Living in Tucson, Arizona and working all Saturday on a sunny September day fixing the roof. Forgot to put on a hat and decided not to use any sun lotion. Since it is still warm, decided to work without a shirt.
Huge Very Large Large Moderate None
2. House of colors
Spending all day Saturday in September reading a great book on the patio.
Huge Very Large Large Moderate None
3. Stadium
Still in Tucson in September. It's fall football time. Sitting in the stadium for a 2 p.m. game. We ended up on the sunny side of the stadium. We forgot to bring a hat or any sunscreen lotion.
Huge Very Large Large Moderate None
4. Heather Control Room
Working all day and all night at the physics lab, under fluorescent lights and with computer monitors and tv screens. Keeping the robots in line is fun!
Huge Very Large Large Moderate None
5. UV Bulb
Running a dance club filled with special ultraviolet lights. The glow-in-the-dark posters look great, but the lights are on all night.
Huge Very Large Large Moderate None


The house is lit by lots of incandescent bulbs. Many of them are halogens, like this one.

Huge Very Large Large Moderate None


MeterGoing Further
Try to use an ultraviolet light meter to measure ultraviolet exposures. Since meters are hard to find, can you devise a way to use ultraviolet sensitive beads to predict which activities will have the greatest ultraviolet exposure?


  1. Huge
  2. Moderate, if shaded. Large if not, or you can view the sky in many directions.
  3. Large to very large.
  4. None
  5. None to moderate. These bulbs only emit Ultraviolet A and very little of that. But they do get hot, so don’t get burned.
  6. None

Related to chapter 5 in the print guide.
Related Materials

For an overview of Ultraviolet light take a look at the UV Index.

Glossary Terms

Click for the definitions of the following words that are used on this page: (Definitions appear in a pop-up window.)

ultraviolet radiation

View the full, printable version of the glossary.

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