Begin by watching the TEDed video here: Which sunscreen should you choose? – Mary Poffenroth (Links to an external site.)Links to an external site.

You can also find the video at: https://ed.ted.com/lessons/which-sunscreen-should-you-choose-mary-poffenroth (Links to an external site.)Links to an external site.

Then answer the following:

-What impact does your sunscreen choice have on ocean organisms, especially those in the coral reefs?

-What is the difference between a chemical based sunscreen and an physical sunscreen?

-Name at least one of the sunscreen ingredients you want to avoid when choosing a sunscreen.