TED-Ed: Which sunscreen should you choose? - Mary Poffenroth

TED-Ed: Which sunscreen should you choose? - Mary Poffenroth

Assessment

Interactive Video

Biology

KG - University

Hard

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The video tutorial explains the different types of sunscreens and their effects on both the human body and the environment. It covers how UV radiation affects the skin and the role of sunscreens in protection. The tutorial also discusses the importance of SPF, the differences between physical and chemical sunscreens, and the environmental impact of certain sunscreen ingredients on marine life, particularly coral reefs. Viewers are guided on how to choose the right sunscreen for their needs while considering health and environmental factors.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary role of sunscreen in protecting the skin?

To increase melanin production

To moisturize the skin

To deflect or absorb UV rays

To enhance the production of vitamin D

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which SPF level is recommended for better protection against UVB rays?

SPF 30

SPF 10

SPF 15

SPF 50

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why might someone choose a mineral-based sunscreen over a chemical one?

They are less likely to irritate the skin

Mineral-based sunscreens are more water-resistant

They are cheaper

They provide a higher SPF

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a significant environmental concern associated with chemical sunscreens?

They increase water pollution

They cause ocean acidification

They contribute to coral bleaching

They attract marine predators

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which ingredient in chemical sunscreens is known to harm coral reefs?

Zinc oxide

Titanium dioxide

Oxybenzone

Aloe vera