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WorksheetsSummative Test 2 in Science
Total questions: 20
Worksheet time: 10mins
1. The hours of the day when you are most at risk from the sun's rays are:
A. 10 a.m. to 4 p.m.
B. 8 a.m. to 1 p.m.
C. 7 a.m. to 12 p.m.
D. None of the above
2. Which type of ultraviolet rays does the sun emit?
A. UVA
B. UVB
C. UVC
D. UVA and UVB
E. UVA, UVB, and UVC
3. The best way to protect yourself from the sun's rays is:
A. Stay out of the sun during peak hours
B. Wear protective clothing and a hat
C. Wear wraparound sunglasses
D. Wear sunscreen with an SPF of at least 30
E. All of the above
4. Too much exposure to UV rays has what harmful effect on health?
A. It boosts the risk for skin cancer
B. It boosts the risk for lip cancer
C. It boosts the risk for cataracts
D. All of the above
The UV Index is:
A. A rating system for sunscreens
B. A forecast of UV radiation tied to the local weather forecast
C. A rating system for protective clothing
D. None of the above
7. The best type of sunscreen to use is:
A. Lotion
B. Gel
C. Spray
D. All of the above
8. Sunscreens work by:
A. Absorbing the sun's rays
B. Reflecting the sun's rays
C. Scattering the sun's rays
D. All of the above
9. Which of these clothing choices offers the best protection and comfort from UV rays?
A. Jeans and T-shirt
B. Shorts and a tank top
C. Long pants of tightly woven fabric and a loose-fitting, long-sleeved shirt
10. If you work outdoors or otherwise spend a lot of time in the sun, which type of hat offers the best protection from UV rays?
A. Straw hat
B. Baseball cap
C. Canvas hat with a brim all the way around
D. Bike helmet
I can’t get skin cancer, because my normal routine (such as drive to work, hobbies, and vacations) doesn’t include a lot of time outdoors.
True
False
I should use sunscreen at football games, even though I only go (and get burned) once or twice a year.
True
False
If I'm wearing sunscreen, I can stay in the sun as long as I want.
True
False
A sunscreen labeled SPF 15 blocks more UV radiation than one labeled SPF 30.
True
False
It's safe to let my children stay in the pool all day if they slip on a T-shirt after a couple hours and reapply sunscreen to their faces, arms, and legs.
True
False
How often do I need to reapply water-resistant sunscreen?
Every 2 hours or sooner
After sweating or swimming
After I towel dry
All of the above
You are safe from the sun's damaging rays on cloudy days.
True
False
The most dangerous form of skin cancer is called melanoma.
True
False
It is possible to get skin cancer in places on the body that are not exposed to the sun.
True
False
Which type of UV ray is the primary cause of sunburn?
UVA
UVB
A "base tan" is a safe tan that protects against sunburn.
True
False
