Title: SunWise
1SunWise
a program that radiates good ideas
www.epa.gov/sunwise
Grades 6-8
U.S. Environmental Protection Agency
2Be SunWise
3What do you know about the Sun?
4The Sun
Helpful
Harmful
Keeps Us Warm
Causes Sunburns
Makes Our Skin Wrinkle
Helps Plants Grow
5Helpful and Harmful Effects of Sunlight
Helpful
Harmful
Produces Suntan and Sunburn
Keeps Us Warm
Effects Our Immune System
Vitamin D Synthesis
Causes Skin Cancer
Help Plants Grow
Photosensitivity
Kills Germs
Makes Your Skin Wrinkle
Makes Us Feel Good
Introduction
Causes Eye Damage
Provides Light To See By
6The Sun
- is essential for life on Earth.
- It helps plants to grow, and provides warmth and
light. - Sunlight also helps people to be happy and
healthy.
Introduction
7The Sun
- produces light and warmth but also Ultraviolet
(UV) radiation. UV radiation cannot be seen or
felt. - It is UV radiation, not the warmth or brightness
of the sun that causes changes to skin color,
damage to eyes, and other bad health effects.
8Sun Safe Behaviors
SunWise
9The Ozone Layer
- is a thin shield high up in the sky. It protects
life on Earth from the sun's ultraviolet (UV)
rays. - In the 1980s, scientists began finding the ozone
being depleted allowing more UV radiation to
reach the Earth's surface. - The level of UV radiation that reaches the
Earths surface can vary, depending on a variety
of factors.
Introduction
10UV radiation levels vary depending on
- Time of day
- Time of year
- Latitude
- Altitude
- Weather Conditions
- Environment-Reflection
- Stratospheric Ozone
Introduction
11UV Radiation
UV Radiation
12How do we measure UV radiation levels?
- We use the UV Index Scale.
- Reported on a scale of 1 -11.
11
10
9
8
7
6
Take special care when the UV Index is 5-6 or
higher.
5
4
3
2
1
UV
index
Introduction
13The Burning Facts
There is no such thing as a healthy suntan.
- UVA rays premature Aging
- UVB rays cause of sunBurn
- Skin type affects the degree some people burn.
- Use Sunscreen with SPF of 15 or more.
- SPF 30 is NOT twice as protective as SPF 15.
Introduction
14How Can You Become SunWise?
15Sun Safety Action Steps
Wear Sunglasses
Limit Time in the Midday Sun
Seek Shade
Use Sunscreen
Avoid Tanning Parlors
Cover Up
Watch for the UV Index
Wear a Hat
Health Effects
16Sun Safety Action Steps
- Limit Time
- in the Midday Sun
The suns rays are strongest between 10 am and 4
pm. To the extent possible, limit exposure to
the sun during these hours.
Introduction
17Sun Safety Action Steps
Staying under cover is one of the best ways to
protect yourself from the sun. But remember,
shade structures do not offer complete sun
protection.
Introduction
18Sun Safety Action Steps
Wearing tightly woven, loose-fitting, and
full-length clothing is a good way to protect
your skin from the suns UV rays.
Introduction
19Sun Safety Action Steps
Use sunscreen of SPF 15 liberally and reapply
every 2 hours, or after working, swimming,
playing, or exercising outdoors.
Introduction
20Sun Safety Action Steps
A hat with a wide brim offers good sun protection
for your eyes, ears, face, and the back of your
neck.
Introduction
21Sun Safety Action Steps
Sunglasses that provide 99 to 100 percent UVA and
UVB protection will greatly reduce sun exposure
that can lead to cataracts and other eye damage.
Introduction
22Sun Safety Action Steps
The light source from sunbeds and sunlamps
damages the skin and unprotected eyes. It is a
good idea to avoid artificial sources of UV light.
Introduction
23Sun Safety Action Steps
The UV Index provides important information to
help you plan your outdoor activities in ways
that prevent overexposure to the sun. The UV
Index is issued daily across the United States.
Introduction
24Are You SunWise?
25True or False?
- You can get sunburned on a cloudy day.
Introduction
26True or False?
You can get sunburned on a cloudy day.
Even on an overcast day, 30 to 60 percent of the
suns rays can reach the Earths surface.
TRUE
Introduction
27True or False?
- You only need to wear sunscreen when you are at
the beach.
Introduction
28True or False?
- You only need to wear sunscreen when you are at
the beach.
You do not have to be actively sunbathing to get
a damaging dose of the sun. Everyday exposure
counts!
FALSE
Introduction
29True or False?
- Sunscreen with a SPF of LESS than 15 is enough
to protect my skin.
Introduction
30True or False?
Sunscreen with a SPF of LESS than 15 is enough
to protect my skin.
Use Sunscreen with SPF 15 or Higher. Remember,
an ounce of prevention is worth a pound of cure.
FALSE
Introduction
31True or False?
- My skin doesnt get sunburned, so I dont need
to worry about protecting myself from
overexposure to the sun.
Introduction
32True or False?
- My skin doesnt get sunburned, so I dont need
to worry about protecting myself from
overexposure to the sun.
Skin cancer and other bad effects from the sun
can affect any person, regardless of skin color.
FALSE
Introduction
33Whatever You Do Be SunWise!
Introduction
34SunWise
a program that radiates good ideas
www.epa.gov/sunwise
U.S. Environmental Protection Agency