Lesson Plans




Message to the Teacher:




Do Now:


Guided Practice:

Review and Reteach:




Name: ______________________________________
Date: _______________________________________

Sunscreen Chemistry
Web Quest

    Completely answer the following questions by using the website and links to guide you. Once you are complete check your answers with a partner and discuss any answers which you did not agree on.

1. Whom and in what year was modern day sunscreen introduced?

2. What is the most common chemical (active ingredient) found in sunscreen, what does the structure look like?

3.  How does sunscreen work? (Be specific, feel free to draw a picture if you would like)

4. What types of radiant energy does the sun give off?

5. What is the electromagnetic spectrum?

6. What are the major regions of the electromagnetic spectrum?

7. What is the relationship between the wavelength and frequency of a wave?

8. What type of radiation is responsible for skin cancers and aging?

9. How much ultra-violet radiation does sand reflect?

10. What are the 3 types of UV radiation? How are they different?

11. Do all forms of UV radiation hit the earth's surface? Why or why not?

12. Create a T-chart to identify the differences between sunscreen and sunblock.

13. What does SPF stand for?

14. Would everyone benefit from wearing sunscreen?

15. If I have fair skin and wanted to stay out in the sun for 2 hours, what level of SPF should I wear in my sunscreen? What if I had dark skin?

16. What is vitamin D?

17. How is vitamin D related to the topic of the sun and sunscreen?

18. At what layer of the epidermis does the sunlight hit and activate molecules to start the synthesis of vitamin D?

19. Name and describe 2 vitamin D deficiencies.

20.  How much natural sunlight do you need to synthesis enough vitamin D to be healthy?

21. How much vitamin D should a person in the age range of 19-50 get in their diets?

22. What are the two types of cancers related to the skin?

23.  How many people are diagnosed with skin cancer each year in the United States?

24. What type of UV radiation damages DNA?

25. In which 2 ways can DNA be damaged?

26. How can we help prevent skin cancers? (Name at least 2)


Other lessons:


Sunscreen Chemistry
Sunscreen Verses Sunblock
Vitamin D Synthesis
Discovery of Sunscreen
Active Ingredients
Skin Cancer
Portrait of the Sun
Want to Learn More?
Ultra-Violet Radiation