Skin - the Webquest

SkinSkin -- TheThe WebquestWebquest

There are 4 sections in this assignment. Complete each section by following the directions below.

On a piece of looseleaf, write the name of the assignment (as seen above) and answer the questions for each section IN FULL SENTENCES to be handed in once completed.

Part 1 You and Your Skin http://www.sciencenetlinks.com/skindeep/yourskin/yourskin.html

Visit the four main sections of the resource by clicking on each of the four quadrants on the inner circle, including: Function, Anatomy, Protection, and

When you click on one of the main sections, you'll be taken to an enlarged view of that section, which contains several subsections represented by the highlighted ring around the circle. Roll your mouse over the ring to see the subsections. To go to one of the subsections, simply click on it. To move from one of the main sections to another, simply click on one of the red arrows found by the ring. Answer these questions:

1. What functions does your skin perform?

2. What is melanin? What does it determine?

3. Which part of your skin contains sweat glands?

4. What is the best way to treat cuts?

5. Is it better to wash your face with your hands or a towel? Why?

6. What are some ways to keep you skin healthy?

Complete the quiz and fill in your score on the bottom of this sheet:

______/ 15

Part 2 The Tanning Taboo http://www.kidshealth.org/teen/safety/safebasics/tanning.html

Answer these questions on a separate sheet:

1. Why do you think people like having a tan?

2. How do UVA and UVB radiation differ? How do they affect the skin?

3. What happens to the skin as you tan?

4. How many skin types are there? What is your skin type?

5. What are some symptoms of skin damage from UV radiation? What

can happen in severe cases?

6. Do young people have to worry about skin cancer? Why or why not? 7. What suggestions are given to help protect your skin from the sun’s

harmful rays?

8. What does SPF stand for? What’s important to know about it?

9. Are sunlamps and tanning beds safe? Why or why not?

10. How do self-tanning and airbrush tanning methods affect your skin?

11. Would you ever consider using these methods? Why or why not?

Part 3 Sunlight and Skin Damage http://www.merck.com/mmhe/sec18/ch214/ch214a.html

Answer these questions on this sheet:

1) How can small amounts of UV light help the body?

2) In what ways do large amounts damage the body?

3) Which type of UV light is responsible for damage due to tanning,

burning, and skin cancer?

4) Why is the amount of UV light reaching the earth’s surface

increasing?

5) What time of day is it the most intense?

6) Do people with high melanin levels need to worry about sun exposure?

Why or why not?

7) What types of skin cancer can one get from excessive sun exposure? Part 4 Sunburns http://www.merck.com/mmhe/sec18/ch214/ch214b.html

Answer these questions on this sheet. (Do not read “Are Tans Healthy?” at the bottom of the page.)

As you develop your presentations, be prepared to answer these questions:

1) What are the symptoms of mild-to-severe sunburn?

2) When do symptoms typically appear?

3) What’s the best way to protect yourself from the sun?

4) What are some good and bad filters (or circumstances) for UV light?

5) What are sunscreens?

6) How do sunblocks differ from sunscreens?

7) Which SPF levels provide maximum protection from sun damage?

8) What treatments help heal sunburned skin?