Sunscreen Science
What is the full form of SPF ?
Sun Protection Factor
What happens when corals are exposed to harmful chemicals?
They bleach and die
When is the sun's UV radiation strongest?
10AM-4PM
What type of sunscreen is better for the environment?
Reef-safe, mineral-based sunscreen
What percentage of the ocean is covered by coral reefs?
Less than 1%, but they support 25% of marine life!
What two UV rays does sunscreen protect against
UVA & UVB
Why do some beaches ban certain sunscreens?
To protect coral reefs and marine life
What can you wear to protect yourself from UV rays besides sunscreen?
Hats, sunglasses, long sleeves, etc.)
Name one natural ingredient used in eco-friendly sunscreens
Aloe vera, coconut oil, etc.
How many people visit coral reefs each year?
Over 70 million!
What common sunscreen ingredient is harmful to coral reefs?
Oxybenzone
Name one place that has banned harmful sunscreens
Hawaii, Palau, Key West
What can too much sun exposure do to your skin?
Cause sunburn, wrinkles, or even skin cancer.
What type of sunscreen packaging is better for the planet?
Biodegradable or refillable
True or False – Sunscreen chemicals can end up in the ocean even if you don’t swim
True! It’s like an uninvited guest crashing the reef party! 🎉
What is a mineral sunscreen made from
Zinc oxide or titanium dioxide
What happens to fish when they absorb sunscreen chemicals?
It can mess with their hormones and make baby fish get confused!
How often should you reapply sunscreen
Every 2 hours or after swimming.
Besides using sunscreen, what is another way to protect your skin and the ocean?
Wear sun-protective clothing like rash guards.)
What SPF level is recommended for daily use?
At least SPF 30 – but SPF 50 is the real MVP!
What does "broad-spectrum" mean
Protects against both UVA & UVB rays
True or False – Some sunscreens can harm ocean life even if you apply them away from the beach.
True, they wash off in the shower
True or False – You can get sunburned even on a cloudy day
True! UV rays still get through!
True or False – All "natural" sunscreens are safe for the ocean.
False, some still contain harmful chemicals.
What's the most surprising thing about coral reefs?
They cover less than 1% of the ocean but are home to 25% of marine life!