Athletics & Wellness Grade 4 45 min

Decoding Sunscreen: All About SPF

Let's become sunscreen detectives! This lesson teaches you how to read a sunscreen bottle and understand SPF, so you can play safely in the sun and protect your skin.

Tutorial Preview

1

What & Why

Have you ever wondered what the numbers on a sunscreen bottle mean? That number is the SPF, which stands for Sun Protection Factor.Think of SPF as a shield that protects your skin from the sun's invisible rays, called UV rays. A higher SPF number gives you more protection from sunburn. Doctors recommend using at least SPF 30 every time you play outside!Also look for the words "Broad Spectrum" on the label. This means it protects you from two different kinds of harmful sun rays (UVA and UVB).
2

Example 1 — Picking Your Power

Scenario: You're packing for a day at the beach! In the cabinet, you see three bottles: SPF 15, SPF 30, and SPF 50.Step 1: Check the number. Remember, we want at least SPF 30 for good protection. That means the SPF 15 is not the best choice for a long day in the sun.Step 2: Think about your day. You'll be in the sun, sand, and water for hours. Both SPF 30 and SPF 50 are great choices! A higher number like 50 gives you even more protection.Step 3: Look for "Broad Spectrum." Make sure your choice protects you from all kinds of sun rays.Result: You choose the SPF 50 that also says "Broad Spectrum" to be extra safe at the beach!
3

Example 2 — The Coverage Rule

Scenario: It's time for your soccer game, and you're putting on sunscreen.Step 1: Don't be shy with the lotion! A tiny dot isn't enough. You need about a palmful of sunscreen to cover your whole body.Step 2: Cover all the spots. It's easy to remember your arms and face, but don't forget your neck, the tops of your ears, your feet, and the backs of your knees.Step 3: Ask for help. It's tricky to get sunscreen on your own back. Ask a parent or trusted adult to help you cover every spot so you're fully protected.Result: You're covered from head to toe and ready to play without worrying about a sunburn!

2 more steps in this tutorial

Sign up free to access the complete tutorial with worked examples and practice.

Sign Up Free to Continue

Sample Practice Questions

Beginner
What does SPF stand for?
A.Sun Protection Factor
B.Super Power Formula
C.Skin Protection Fun
D.Sunny Playground Fun
Beginner
You're going to the pool. You put on sunscreen at 1:00 PM. You swim and play until 2:30 PM, then dry off. What is the best thing to do next?
A.Wait until 3:00 PM to reapply because of the 2-hour rule.
B.You don't need to reapply because you used water-resistant sunscreen.
C.Reapply sunscreen right after you dry off.
D.Only reapply if you feel your skin getting warm.
Beginner
What is the minimum SPF number that doctors usually recommend for a sunny day?
A.SPF 10
B.SPF 15
C.SPF 30
D.SPF 100

Want to practice and check your answers?

Sign up to access all questions with instant feedback, explanations, and progress tracking.

Start Practicing Free

More from Healthy Body & Safety — Safety Smarts — Sun, Water & Gear

Ready to find your learning gaps?

Take a free diagnostic test and get a personalized learning plan in minutes.